FileZilla (European Commission - DIGIT)
By FileZilla Bug bounty on HackerOne filezilla-project.org
Paused
- Top reward
- Not published
- Top severity paid
- Critical
- Assets in scope
- 3
- Public CVEs
- 14
- Last change
- No changes yet
At a glance
What to know before you start testing.
- Pays cash
- Amounts are not published; ask before you invest time.
- Report on HackerOne
- Submit through the program page.
Rewards
What HackerOne lists as the payout for each severity.
HackerOne does not publish a reward table for this program.
Scope
3 assets you may test, 1 excluded.
Source code 2
- https://svn.filezilla-project.org/svn/FileZilla3/trunk/ No bounty
- https://svn.filezilla-project.org/svn/libfilezilla/trunk No bounty
Web 1
- https://svn.filezilla-project.org/svn/filezilla3/trunk/src/putty Critical
Out of scope (1)
- https://svn.filezilla-project.org/svn/filezilla3/trunk/src/storj
Changes
Tracked since 12 Nov 2026. Last checked 58 minutes 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-2019-25683 | FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality that allows local attackers to crash the application by supplying a malformed path string. Attackers can trigger the crash by entering a crafted path containing 384 'A' characters followed by 'BBBB' and 'CCCC' sequences in the search directory field and initiating a local search operation. | Medium 6.9 | 5 Apr 2026 |
| CVE-2023-53959 | FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by placing a crafted TextShaping.dll in the application directory. Attackers can generate a reverse shell payload using msfvenom and replace the missing DLL to achieve remote code execution when the application launches. | High 8.5 | 19 Dec 2025 |
| CVE-2024-31497 | In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret key via a quick attack in approximately 60 signatures. This is especially important in a scenario where an adversary is able to read messages signed by PuTTY or Pageant. The required set of signed messages may be publicly readable because they are stored in a public Git se | Medium 5.9 | 15 Apr 2024 |
| CVE-2023-48795 | The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message), and a client and server may consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack. This occ | Medium 5.9 | 18 Dec 2023 |
| CVE-2016-15003 | A vulnerability has been found in FileZilla Client 3.17.0.0 and classified as problematic. This vulnerability affects unknown code of the file C:\Program Files\FileZilla FTP Client\uninstall.exe of the component Installer. The manipulation leads to unquoted search path. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. | Medium 6.3 | 18 Jul 2022 |
| CVE-2015-10003 | A vulnerability, which was classified as problematic, was found in FileZilla Server up to 0.9.50. This affects an unknown part of the component PORT Handler. The manipulation leads to unintended intermediary. It is possible to initiate the attack remotely. Upgrading to version 0.9.51 is able to address this issue. It is recommended to upgrade the affected component. | Medium 4.3 | 17 Jul 2022 |
| CVE-2022-29620 | FileZilla v3.59.0 allows attackers to obtain cleartext passwords of connected SSH or FTP servers via a memory dump.- NOTE: the vendor does not consider this a vulnerability | Medium 6.5 | 7 Jun 2022 |
| CVE-2019-5429 | Untrusted search path in FileZilla before 3.41.0-rc1 allows an attacker to gain privileges via a malicious 'fzsftp' binary in the user's home directory. | High 7.8 | 29 Apr 2019 |
| CVE-2014-0224 | OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability. | High 7.4 | 5 Jun 2014 |
| CVE-2014-0160 | The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug. | High 7.5 | 7 Apr 2014 |
| CVE-2009-0884 | Buffer overflow in FileZilla Server before 0.9.31 allows remote attackers to cause a denial of service via unspecified vectors related to SSL/TLS packets. | Medium 4.3 | 12 Mar 2009 |
| CVE-2006-6565 | FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a wildcard argument to the (1) LIST or (2) NLST commands, which results in a NULL pointer dereference, a different set of vectors than CVE-2006-6564. NOTE: CVE analysis suggests that the problem might be due to a malformed PORT command. | Medium 4.0 | 15 Dec 2006 |
| CVE-2005-0850 | FileZilla FTP server before 0.9.6 allows remote attackers to cause a denial of service via a request for a filename containing an MS-DOS device name such as CON, NUL, COM1, LPT1, and others. | Medium 5.0 | 2 May 2005 |
| CVE-2005-0851 | FileZilla FTP server before 0.9.6, when using MODE Z (zlib compression), allows remote attackers to cause a denial of service (infinite loop) via certain file uploads or directory listings. | Medium 5.0 | 2 May 2005 |