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4.3
CVE-2020-1778: When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
CVE-2020-1778 · published 5 years ago
Summary
When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| otrs | otrs |
<= 8.0.9 cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* |
Original advisory text
When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
References
- https://otrs.com/release-notes/otrs-security-advisory-2020-16/ Release Notes Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-287Improper Authentication
Timeline
Published23 Nov 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-1778 · NVD
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