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TI-2020-01721 Aliases CVE-2020-1778GHSA-vwfv-p8p3-m4r7

Bypassing user account validation

Priority LOW 21CWE-287Published · 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-287.

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.

Why it matters now

EPSS 0.00651 51st 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

VendorProductAffected versionsFixed inStatusSource
OTRS AGOTRS8.0.x – 8.0.9—No fix listedCNA
  • OTRS VendorOTRS AG Affected 8.0.x – 8.0.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*up to 8.0.9VulnerableOTRS AG
  • cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* Versions up to 8.0.9 Vulnerable ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1778
  2. 2026-10-03 Alias added: GHSA-vwfv-p8p3-m4r7
  3. 2026-10-14 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • 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
See all 141 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences