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Fencer Vulns
low 2.0

CVE-2020-1766 json

Improper handling of uploaded inline images

published 2020-01-10 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12592

cvss
2.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Due to improper handling of uploaded images it is possible in very unlikely and rare conditions to force the agents browser to execute malicious javascript from a special crafted SVG file rendered as inline jpg file. This issue affects: ((OTRS)) Community Edition 5.0.x version 5.0.39 and prior versions; 6.0.x version 6.0.24 and prior versions. OTRS 7.0.x version 7.0.13 and prior versions.

Patch / fix

  • otrs2 Debian 11 6.0.25-1

debian advisories DEBIAN-CVE-2020-1766

  • 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

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • OTRS AG ((OTRS)) Community Edition
  • OTRS AG OTRS

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.