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4.9

OTRS can have ticket log corrupted by logged‑in users

CVE-2010-4765 · published 15 years ago
Summary

Versions of the OTRS ticket system before 2.4.8 have a timing weakness that lets a user who is already signed in tamper with the TicketCounter.log file when creating tickets. This can make the ticket counter inaccurate, which may affect reporting or ticket sequencing. Upgrade to OTRS 2.4.8 or later (or apply the vendor’s patch) and restrict login access until the fix is in place.

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
VendorProductAffected versions
otrs otrs <= 2.4.7
0.5
1.0
1.0.0
1.0.1
1.0.2
1.1
1.1.0
1.1.1
1.1.2
1.1.3
1.1.4
49 more version ranges
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*
Original advisory text
Race condition in the Kernel::System::Main::FileWrite method in Open Ticket Request System (OTRS) before 2.4.8 allows remote authenticated users to corrupt the TicketCounter.log data in opportunist...
Race condition in the Kernel::System::Main::FileWrite method in Open Ticket Request System (OTRS) before 2.4.8 allows remote authenticated users to corrupt the TicketCounter.log data in opportunistic circumstances by creating tickets.
References
Fix within
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)
Severity
4.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-362Race Condition
Timeline
Published18 Mar 2011
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2010-4765 · NVD
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