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Fencer Intel
medium 6.5

CVE-2019-12746 json

An issue was discovered in Open Ticket Request System (OTRS) Community Edition 5.0.x through 5.0.36 and 6.0.x through 6.0.19.

published 7y ago modified 4mo ago also EUVD-2019-4334

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

An issue was discovered in Open Ticket Request System (OTRS) Community Edition 5.0.x through 5.0.36 and 6.0.x through 6.0.19. A user logged into OTRS as an agent might unknowingly disclose their session ID by sharing the link of an embedded ticket article with third parties. This identifier can be then be potentially abused in order to impersonate the agent user.

Patch / fix

  • otrs2 Debian 11 6.0.20-1

debian advisories DEBIAN-CVE-2019-12746

  • otrs2 Ubuntu 20.04 LTS 6.0.20-1

ubuntu advisories UBUNTU-CVE-2019-12746

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • otrs Package Hub 15 SP2 6.0.29-bp152.2.8.1
  • otrs Package Hub 15 SP2, Package Hub 15 SP1, openSUSE Leap 15.2 +1 more 6.0.29-bp152.2.5.4
  • otrs Package Hub 15 SP1, Package Hub 15, openSUSE Leap 15.1 5.0.42-bp151.3.3.1

opensuse advisories openSUSE-SU-2020:1509-1openSUSE-SU-2020:1475-1openSUSE-SU-2020:0551-1

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Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.