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TI-2017-12458 Aliases CVE-2017-16921GHSA-x9qc-g4w7-x2hf

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…

Priority MEDIUM 57CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

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 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.

Why it matters now

EPSS 0.19901 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 70

CPEVersionsRoleVendor
cpe:2.3:a:otrs:otrs:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.2:*:*:*:*:*:*:*4.0.2VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.3:*:*:*:*:*:*:*4.0.3VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.4:*:*:*:*:*:*:*4.0.4VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.5:*:*:*:*:*:*:*4.0.5VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.6:*:*:*:*:*:*:*4.0.6VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.7:*:*:*:*:*:*:*4.0.7VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.8:*:*:*:*:*:*:*4.0.8VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.9:*:*:*:*:*:*:*4.0.9VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.10:*:*:*:*:*:*:*4.0.10VulnerableOTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.8:*:*:*:*:*:*:* Versions 4.0.8 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.10:*:*:*:*:*:*:* Versions 4.0.10 Vulnerable ·OTRS AG
Show 60 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:otrs:otrs:4.0.11:*:*:*:*:*:*:*4.0.11VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.12:*:*:*:*:*:*:*4.0.12VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.13:*:*:*:*:*:*:*4.0.13VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.14:*:*:*:*:*:*:*4.0.14VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.15:*:*:*:*:*:*:*4.0.15VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.16:*:*:*:*:*:*:*4.0.16VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.17:*:*:*:*:*:*:*4.0.17VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.18:*:*:*:*:*:*:*4.0.18VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.19:*:*:*:*:*:*:*4.0.19VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.20:*:*:*:*:*:*:*4.0.20VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.21:*:*:*:*:*:*:*4.0.21VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.22:*:*:*:*:*:*:*4.0.22VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.23:*:*:*:*:*:*:*4.0.23VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.24:*:*:*:*:*:*:*4.0.24VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.25:*:*:*:*:*:*:*4.0.25VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:4.0.26:*:*:*:*:*:*:*4.0.26VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:*:*:*:*:*:*:*5.0.0VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:alpha1:*:*:*:*:*:*5.0.0 alpha1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:beta1:*:*:*:*:*:*5.0.0 beta1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:beta2:*:*:*:*:*:*5.0.0 beta2VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:beta3:*:*:*:*:*:*5.0.0 beta3VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:beta4:*:*:*:*:*:*5.0.0 beta4VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:beta5:*:*:*:*:*:*5.0.0 beta5VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.0:rc1:*:*:*:*:*:*5.0.0 rc1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.1:*:*:*:*:*:*:*5.0.1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.2:*:*:*:*:*:*:*5.0.2VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.3:*:*:*:*:*:*:*5.0.3VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.4:*:*:*:*:*:*:*5.0.4VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.5:*:*:*:*:*:*:*5.0.5VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.6:*:*:*:*:*:*:*5.0.6VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.7:*:*:*:*:*:*:*5.0.7VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.8:*:*:*:*:*:*:*5.0.8VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.9:*:*:*:*:*:*:*5.0.9VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.10:*:*:*:*:*:*:*5.0.10VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.11:*:*:*:*:*:*:*5.0.11VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.12:*:*:*:*:*:*:*5.0.12VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.13:*:*:*:*:*:*:*5.0.13VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.14:*:*:*:*:*:*:*5.0.14VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.15:*:*:*:*:*:*:*5.0.15VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.16:*:*:*:*:*:*:*5.0.16VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.17:*:*:*:*:*:*:*5.0.17VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.18:*:*:*:*:*:*:*5.0.18VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.19:*:*:*:*:*:*:*5.0.19VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.20:*:*:*:*:*:*:*5.0.20VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.21:*:*:*:*:*:*:*5.0.21VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.22:*:*:*:*:*:*:*5.0.22VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.23:*:*:*:*:*:*:*5.0.23VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:5.0.24:*:*:*:*:*:*:*5.0.24VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:*:*:*:*:*:*:*6.0.0VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:alpha1:*:*:*:*:*:*6.0.0 alpha1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:beta1:*:*:*:*:*:*6.0.0 beta1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:beta2:*:*:*:*:*:*6.0.0 beta2VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:beta3:*:*:*:*:*:*6.0.0 beta3VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:beta4:*:*:*:*:*:*6.0.0 beta4VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:beta5:*:*:*:*:*:*6.0.0 beta5VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.0:rc1:*:*:*:*:*:*6.0.0 rc1VulnerableOTRS AG
cpe:2.3:a:otrs:otrs:6.0.1:*:*:*:*:*:*:*6.0.1VulnerableOTRS AG
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:otrs:otrs:4.0.11:*:*:*:*:*:*:* Versions 4.0.11 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.12:*:*:*:*:*:*:* Versions 4.0.12 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.13:*:*:*:*:*:*:* Versions 4.0.13 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.14:*:*:*:*:*:*:* Versions 4.0.14 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.15:*:*:*:*:*:*:* Versions 4.0.15 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.16:*:*:*:*:*:*:* Versions 4.0.16 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.17:*:*:*:*:*:*:* Versions 4.0.17 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.18:*:*:*:*:*:*:* Versions 4.0.18 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.19:*:*:*:*:*:*:* Versions 4.0.19 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.20:*:*:*:*:*:*:* Versions 4.0.20 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.21:*:*:*:*:*:*:* Versions 4.0.21 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.22:*:*:*:*:*:*:* Versions 4.0.22 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.23:*:*:*:*:*:*:* Versions 4.0.23 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.24:*:*:*:*:*:*:* Versions 4.0.24 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.25:*:*:*:*:*:*:* Versions 4.0.25 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:4.0.26:*:*:*:*:*:*:* Versions 4.0.26 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:alpha1:*:*:*:*:*:* Versions 5.0.0 alpha1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:beta1:*:*:*:*:*:* Versions 5.0.0 beta1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:beta2:*:*:*:*:*:* Versions 5.0.0 beta2 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:beta3:*:*:*:*:*:* Versions 5.0.0 beta3 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:beta4:*:*:*:*:*:* Versions 5.0.0 beta4 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:beta5:*:*:*:*:*:* Versions 5.0.0 beta5 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.0:rc1:*:*:*:*:*:* Versions 5.0.0 rc1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.6:*:*:*:*:*:*:* Versions 5.0.6 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.7:*:*:*:*:*:*:* Versions 5.0.7 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.8:*:*:*:*:*:*:* Versions 5.0.8 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.9:*:*:*:*:*:*:* Versions 5.0.9 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.10:*:*:*:*:*:*:* Versions 5.0.10 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.11:*:*:*:*:*:*:* Versions 5.0.11 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.12:*:*:*:*:*:*:* Versions 5.0.12 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.13:*:*:*:*:*:*:* Versions 5.0.13 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.14:*:*:*:*:*:*:* Versions 5.0.14 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.15:*:*:*:*:*:*:* Versions 5.0.15 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.16:*:*:*:*:*:*:* Versions 5.0.16 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.17:*:*:*:*:*:*:* Versions 5.0.17 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.18:*:*:*:*:*:*:* Versions 5.0.18 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.19:*:*:*:*:*:*:* Versions 5.0.19 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.20:*:*:*:*:*:*:* Versions 5.0.20 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.21:*:*:*:*:*:*:* Versions 5.0.21 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.22:*:*:*:*:*:*:* Versions 5.0.22 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.23:*:*:*:*:*:*:* Versions 5.0.23 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:5.0.24:*:*:*:*:*:*:* Versions 5.0.24 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:alpha1:*:*:*:*:*:* Versions 6.0.0 alpha1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:beta1:*:*:*:*:*:* Versions 6.0.0 beta1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:beta2:*:*:*:*:*:* Versions 6.0.0 beta2 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:beta3:*:*:*:*:*:* Versions 6.0.0 beta3 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:beta4:*:*:*:*:*:* Versions 6.0.0 beta4 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:beta5:*:*:*:*:*:* Versions 6.0.0 beta5 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.0:rc1:*:*:*:*:*:* Versions 6.0.0 rc1 Vulnerable ·OTRS AG
  • cpe:2.3:a:otrs:otrs:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·OTRS AG
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16921
  2. 2026-10-03 Alias added: GHSA-x9qc-g4w7-x2hf

References

Exploit 1

Patch 1

Advisory 2

Other 1

Sources

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