1&1 bug bounty programs
1und1.de Updated
1&1 runs one public program: a security.txt disclosure program with no cash rewards.
- Top reward
- No cash
- Disclosure only
- Programs
- 1
- None pays cash
- Targets in scope
- 1
- 1 type
- Last change
- None yet
- Tracked since Nov 2026
Where to report
The one public program 1&1 runs.
| Program | Top reward | Safe harbor | KYC | First response | Status |
|---|---|---|---|---|---|
1&1
security.txt · Disclosure only |
No cash | Full | – | 24 hours promised | Open |
-
- Safe harbor
- Full
- First response
- 24 hours promised
Amounts are the top reward per severity in the currency each program pays. First response is the platform's measured average when it publishes one, else what the policy promises.
What is in scope
1 target. 2 excluded.
-
1und1.de
Domains
No target matches. Try part of a host name, such as the company name.
Out of scope 2
Don't test these. A program can exclude a host another program covers; the program you report to decides.
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Denial-of-Service-Angriffe (d.h. Stören unserer Services mit einem hohen Anforderungsvolumen)
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TLS-Konfigurations-Spezifikationen (z. B. keine Unterstützung für TLSv1.3, eine bestimmte Cipher Suite-Konfiguration usw.)
Recent changes
Reward and scope changes across every 1&1 program, newest first.
No changes recorded yet. New targets and reward moves show up here and in the RSS feed.
Recent CVEs
Published vulnerabilities in 1&1 products, from the NVD.
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CVE-2014-5884 Medium
The 1&1 Online Storage (aka de.einsundeins.smartdrive) application 5.0.11 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.
About this page
This page gathers every public program listed under 1und1.de: platform programs, self-hosted policies and security.txt contacts. Each program's own policy decides what is in scope and what it pays; check it before you test.
Something wrong or missing? Report a correction.