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Fencer Vulns
medium 6.1

CVE-2019-13345 json

The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter.

published 2019-07-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4849

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.5%
EPSS 74.5% chance of exploitation in 30 days, percentile 99.4%
public exploits
0
none known

Summary

The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter.

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 4.8-1

debian advisories DEBIAN-CVE-2019-13345

  • squid3 Ubuntu 16.04 LTS 3.5.12-1ubuntu7.7
  • squid3 Ubuntu 18.04 LTS 3.5.27-1ubuntu1.2

ubuntu advisories UBUNTU-CVE-2019-13345

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

  • squid RHEL 7 7:3.5.20-15.el7
  • squid-sysvinit RHEL 7 7:3.5.20-15.el7
  • squid-migration-script RHEL 7 7:3.5.20-15.el7
  • squid RHEL 8 7:4.4-8.module+el8.1.0+4044+36416a77
  • libecap RHEL 8 1.0.1-2.module+el8.1.0+4044+36416a77

red hat advisories RHSA-2020:1068RHSA-2019:3476

  • squid3 SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 3.1.23-8.16.37.12.1
  • squid SLES for SAP 12 SP5, SLES 12 SP5 4.9-4.3.2
  • squid SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15 4.9-5.11.1
  • squid SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15 4.8-5.8.1
  • squid SLES 12 SP4, SLES 12 SP3-BCL, SLES 12 SP2-BCL +11 more 3.5.21-26.17.1

suse advisories SUSE-SU-2020:14460-1SUSE-SU-2019:3067-1SUSE-SU-2019:2975-1SUSE-SU-2019:2092-1SUSE-SU-2019:2089-1SUSE-SU-2019:2089-2

  • squid openSUSE Tumbleweed 4.16-1.5
  • squid openSUSE Leap 15.1 4.9-lp151.2.7.1
  • squid openSUSE Leap 15.0 4.9-lp150.13.1
  • squid openSUSE Leap 15.1, openSUSE Leap 15.0 4.8-lp151.2.3.1

opensuse advisories openSUSE-SU-2024:11403-1openSUSE-SU-2019:2541-1openSUSE-SU-2019:2540-1openSUSE-SU-2019:1963-1

  • libecap AlmaLinux 8 1.0.1-2.module_el8.6.0+2741+01592ae8

almalinux advisories ALSA-2019:3476

  • libecap Rocky Linux 8 1.0.1-2.module+el8.4.0+404+316a0dc5

rocky linux advisories RLSA-2019:3476

  • squid Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 4.8-r0
  • squid Alpine 3.7 3.5.27-r1
  • squid Alpine 3.8 3.5.27-r3

alpine advisories ALPINE-CVE-2019-13345

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-13345 updated cvss 4.3

squid: XSS via user_name or auth parameter in cachemgr.cgi

  • Red Hat Enterprise Linux 5 squid Red Hat Enterprise Linux 6 squid
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) squid 4.4-8.module+el8.1.0+4044+36416a77, libecap 1.0.1-2.module+el8.1.0+4044+36416a77
    fixed: vendor fix RHSA-2019:3476
  • Red Hat Enterprise Linux Server (v. 7) squid 3.5.20-15.el7, squid-migration-script 3.5.20-15.el7 Red Hat Enterprise Linux Server Optional (v. 7) squid-sysvinit 3.5.20-15.el7 Red Hat Enterprise Linux Workstation (v. 7) squid 3.5.20-15.el7, squid-migration-script 3.5.20-15.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) squid-sysvinit 3.5.20-15.el7
    fixed: vendor fix RHSA-2020:1068

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

74.48% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.squid-cache.org https://bugs.squid-cache.org/show_bug.cgi?id=4957 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/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

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.