- Top reward
- Not published
- Top severity paid
- Not published
- Assets in scope
- 0
- Public CVEs
- 41
- Last change
- No changes yet
At a glance
What to know before you start testing.
- Pays cash
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- Report by email
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- No safe harbor
- No promise about legal action.
Rewards
What the company's own policy page says it pays.
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Scope
0 assets you may test.
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Changes
Tracked since 11 Nov 2026. Last checked 5 hours ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
Public CVEs
Published vulnerabilities in this vendor's products, from the NVD.
| CVE | Summary | Severity | Published |
|---|---|---|---|
| CVE-2026-27748 | Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse point. A local attacker can create a malicious link to redirect the delete operation to an arbitrary file, | High 7.8 | 5 Mar 2026 |
| CVE-2026-27749 | Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\\ProgramData using .NET BinaryFormatter without implementing input validation or deserialization safeguards. Because the file can be created or modifi | High 7.8 | 5 Mar 2026 |
| CVE-2026-27750 | Avira Internet Security contains a time-of-check time-of-use (TOCTOU) vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target path. A local attacker can replace a previously scanned directory with a junction or reparse point b | High 7.8 | 5 Mar 2026 |
| CVE-2023-51636 | Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, | High 7.8 | 22 May 2024 |
| CVE-2023-36673 | An issue was discovered in Avira Phantom VPN through 2.23.1 for macOS. The VPN client insecurely configures the operating system such that all IP traffic to the VPN server's IP address is sent in plaintext outside the VPN tunnel, even if this traffic is not generated by the VPN client, while simultaneously using plaintext DNS to look up the VPN server's IP address. This allows an adversary to tric | High 7.3 | 9 Aug 2023 |
| CVE-2023-1900 | A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. Issue was fixed with Endpointprotection.exe version 1.0.2303.633 | High 7.8 | 19 Apr 2023 |
| CVE-2022-4429 | Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1.1.78 | Medium 5.3 | 10 Jan 2023 |
| CVE-2022-4294 | Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user. | High 7.1 | 10 Jan 2023 |
| CVE-2022-3368 | A vulnerability within the Software Updater functionality of Avira Security for Windows allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avira Security version 1.1.72.30556. | High 7.3 | 17 Oct 2022 |
| CVE-2022-28795 | A vulnerability within the Avira Password Manager Browser Extensions provided a potential loophole where, if a user visited a page crafted by an attacker, the discovered vulnerability could trigger the Password Manager Extension to fill in the password field automatically. An attacker could then access this information via JavaScript. The issue was fixed with the browser extensions version 2.18.5 | Medium 6.5 | 12 Apr 2022 |
| CVE-2020-12680 | Avira Free Antivirus through 15.0.2005.1866 allows local users to discover user credentials. The functions of the executable file Avira.PWM.NativeMessaging.exe are aimed at collecting credentials stored in Chrome, Firefox, Opera, and Edge. The executable does not verify the calling program and thus a request such as fetchChromePasswords or fetchCredentials will succeed. NOTE: some third parties ha | Medium 5.5 | 8 May 2020 |
| CVE-2020-12463 | An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files. | High 7.8 | 5 May 2020 |
| CVE-2020-12254 | Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink. | High 7.8 | 26 Apr 2020 |
| CVE-2020-8961 | An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality. | Critical 9.8 | 9 Apr 2020 |
| CVE-2020-9320 | Avira AV Engine before 8.3.54.138 allows virus-detection bypass via a crafted ISO archive. This affects versions before 8.3.54.138 of Antivirus for Endpoint, Antivirus for Small Business, Exchange Security (Gateway), Internet Security Suite for Windows, Prime, Free Security Suite for Windows, and Cross Platform Anti-malware SDK. NOTE: Vendor asserts that vulnerability does not exist in product | Medium 5.5 | 20 Feb 2020 |
| CVE-2013-4602 | A Denial of Service (infinite loop) vulnerability exists in Avira AntiVir Engine before 8.2.12.58 via an unspecified function in the PDF Scanner Engine. | Medium 5.5 | 12 Feb 2020 |
| CVE-2019-18568 | Avira Free Antivirus 15.0.1907.1514 is prone to a local privilege escalation through the execution of kernel code from a restricted user. | High 8.8 | 31 Dec 2019 |
| CVE-2019-17449 | Avira Software Updater before 2.0.6.21094 allows a DLL side-loading attack. NOTE: The vendor thinks that this vulnerability is invalid because exploiting it would require at least administrator privileges and would gain only SYSTEM privileges | Medium 6.7 | 10 Oct 2019 |
| CVE-2019-11396 | An issue was discovered in Avira Free Security Suite 10. The permissive access rights on the SoftwareUpdater folder (files / folders and configuration) are incompatible with the privileged file manipulation performed by the product. Files can be created that can be used by an unprivileged user to obtain SYSTEM privileges. Arbitrary file creation can be achieved by abusing the SwuConfig.json file c | High 7.8 | 29 Aug 2019 |
| CVE-2016-10402 | Avira Antivirus engine versions before 8.3.36.60 allow remote code execution as NT AUTHORITY\SYSTEM via a section header with a very large relative virtual address in a PE file, causing an integer overflow and heap-based buffer underflow. | High 7.8 | 27 Jul 2017 |
| CVE-2015-7732 | The Avira Mobile Security app before 1.5.11 for iOS sends sensitive login information in cleartext. | High 7.5 | 15 Jun 2017 |
| CVE-2017-6417 | Code injection vulnerability in Avira Total Security Suite 15.0 (and earlier), Optimization Suite 15.0 (and earlier), Internet Security Suite 15.0 (and earlier), and Free Security Suite 15.0 (and earlier) allows a local attacker to bypass a self-protection mechanism, inject arbitrary code, and take full control of any Avira process via a "DoubleAgent" attack. One perspective on this issue is that | Medium 6.7 | 21 Mar 2017 |
| CVE-2015-7303 | Use-after-free vulnerability in the Update Manager service in Avira Management Console allows remote attackers to execute arbitrary code via a large header. | High 10.0 | 21 Sep 2015 |
| CVE-2014-5576 | The Avira Secure Backup (aka com.avira.avirabackup) application 1.2.3 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. | Medium 5.4 | 9 Sep 2014 |
| CVE-2010-5153 | Race condition in Avira Premium Security Suite 10.0.0.536 on Windows XP allows local users to bypass kernel-mode hook handlers, and execute dangerous code that would otherwise be blocked by a handler but not blocked by signature-based malware detection, via certain user-space memory changes during hook-handler execution, aka an argument-switch attack or a KHOBE attack. NOTE: this issue is disputed | Medium 5.3 | 25 Aug 2012 |
| CVE-2012-1459 | The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.0, AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, ClamAV 0.96.4, Command Antivirus 5.2.11.5, Comodo Antivirus 7424, Emsisoft Anti-Malware 5.1.0.1, F-Prot Antivirus 4.6.2.117, F-Secure Anti-Virus 9.0.16160 | Medium 4.3 | 21 Mar 2012 |
| CVE-2012-1457 | The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.0, AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, ClamAV 0.96.4, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, F-Prot Antivirus 4.6.2.117, G Data AntiVirus 21, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, J | Medium 4.3 | 21 Mar 2012 |
| CVE-2012-1443 | The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus | Medium 4.3 | 21 Mar 2012 |
| CVE-2012-1425 | The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, Kaspersky Anti-Virus 7.0.0.125, McAfee Anti-Virus Scanning Engine 5.400.0.1158, McAfee Gateway (formerly Webwasher) 2010.1C, NOD32 Antivir | Medium 4.3 | 21 Mar 2012 |
| CVE-2008-6962 | Avira AntiVir Premium, Premium Security Suite, AntiVir Professional, and AntiVir Personal - FREE allows local users to execute arbitrary code via a crafted IOCTL request that overwrites a kernel pointer. | High 7.2 | 13 Aug 2009 |
| CVE-2009-2761 | Unquoted Windows search path vulnerability in the scheduler (sched.exe) in Avira AntiVir, AntiVir Premium, Premium Security Suite, and AntiVir Professional might allow local users to gain privileges via a malicious antivir.exe file in the "C:\Program Files\avira\" directory. | High 7.2 | 13 Aug 2009 |
| CVE-2007-2972 | The file parsing engine in Avira Antivir Antivirus before 7.04.00.24 allows remote attackers to cause a denial of service (application crash) via a crafted UPX compressed file, which triggers a divide-by-zero error. | High 7.8 | 1 Jun 2007 |
| CVE-2007-2973 | Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed TAR archive. | High 7.8 | 1 Jun 2007 |
| CVE-2007-2974 | Buffer overflow in the file parsing engine in Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to execute arbitrary code via a crafted LZH archive file, resulting from an "integer cast around." | High 10.0 | 1 Jun 2007 |
| CVE-2007-1673 | unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file. | High 7.8 | 9 May 2007 |
| CVE-2007-1671 | avpack32.dll before 7.3.0.6 in Avira AntiVir allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file. | High 7.8 | 9 May 2007 |
| CVE-2006-4619 | The start update window in update.exe in Avira AntiVir PersonalEdition Classic 7.0 build 151 allows local users to gain system privileges via a "Shatter" style attack on the (1) IParam parameter, and the (2) PBM_GETRANGE and (3) PBM_SETRANGE messages in an unspecified progress bar. NOTE: some details are obtained from third party information. | Medium 4.6 | 7 Sep 2006 |
| CVE-2006-1274 | Classic Planer in AntiVir PersonalEdition Classic 7 does not drop privileges before executing external programs, which allows local users to gain privileges via notepad.exe, which is used to display scan reports. | High 7.2 | 19 Mar 2006 |
| CVE-2005-3219 | Multiple interpretation error in unspecified versions of Avira Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar and PowerZip, even though they are rejected as corrupted by Winzip and BitZipper. | Medium 5.1 | 14 Oct 2005 |
| CVE-2005-3224 | Multiple interpretation error in unspecified versions of AntiVir Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar and PowerZip, even though they are rejected as corrupted by Winzip and BitZipper. | Medium 5.1 | 14 Oct 2005 |
| CVE-2005-2957 | Stack-based buffer overflow in AVIRA Desktop for Windows 1.00.00.68 with AVPACK32.DLL 6.31.0.3, when archive scanning is enabled, allows remote attackers to execute arbitrary code via a long filename in an ACE archive. | High 7.5 | 16 Sep 2005 |