What’s Vulnerable › Vulnerabilities

CVE-2021-36777: login-proxy sends password to attacker-provided domain

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-09 · updated 2026-06-17
• Weakness: CWE-807

Description

A Reliance on Untrusted Inputs in a Security Decision vulnerability in the login proxy of the openSUSE Build service allowed attackers to present users with a expected login form that then sends the clear text credentials to an attacker specified server. This issue affects: openSUSE Build service login-proxy-scripts versions prior to dc000cdfe9b9b715fb92195b1a57559362f689ef.

Affected products

• openSUSE Open Build Service: before 2021-10-08 — fixed in 2021-10-08

How to fix

Upgrade to a fixed version: openSUSE Open Build Service 2021-10-08. Check the vendor advisory for mitigations.

References

• https://bugzilla.suse.com/show_bug.cgi?id=1191209
• https://bugzilla.suse.com/show_bug.cgi?id=1191209

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