Privilege escalation in Otrs

CVE-2017-9324

In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x through 5.0.19, an attacker with agent permission is capable of opening a specific URL in a browser to gain administrative privileges / full access. Afterward, all system settings can be read and changed. The URLs in question contain index.pl?Action=Installer with ;Subaction=Intro or ;Subaction=Start or ;Subaction=System appended at the end.

Vulnerability class: Privilege Escalation

EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cve@mitre.org (Mailing List, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-9324?
CVE-2017-9324 is a high-severity vulnerability in Otrs, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2017-06-12.
How severe is CVE-2017-9324?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-9324 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.