Invalidating or changing user does not invalidate session
Priority LOW 22CWE-613Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.
Summary
When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.
Why it matters now
EPSS 0.00918 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OTRS AG | ((OTRS)) Community Edition | 6.0.x – 6.0.28 | — | No fix listed | CNA |
| OTRS AG | OTRS | 7.0.x – 7.0.18; 8.0.x – 8.0.4 | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1776
- 2026-10-03 Alias added: GHSA-vcrm-8v3j-v6f3
References
More OTRS AG Otrs vulnerabilities
- TI-2017-12458 In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS… CVSS 3.0HIGH 8.8
- TI-2026-35608 SQL Injection via MySQL Quote Method CVSS 3.1CRITICAL 9.1
- TI-2023-04991 SSL Certificates are not checked for E-Mail Handling CVSS 3.1CRITICAL 9.1
- TI-2022-04045 SQL Injection via OTRS Search API CVSS 3.1CRITICAL 9.8
- TI-2017-12258 Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5… CVSS 3.0HIGH 8.8
- TI-2017-06753 In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x… CVSS 3.0HIGH 8.8
Sources
- CVE-2020-1776 · CVE Program
- CVE-2020-1776 · NVD
- FIRST EPSS
- GHSA-vcrm-8v3j-v6f3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences