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Fencer Vulns
medium 6.5

CVE-2022-41317 json

An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6.

published 2022-12-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-44525

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy via an HTTPS request to an internal cache manager URL. This is fixed in 5.7.

Patch / fix

  • squid-cache squid 5.7
  • squid Debian 14, Debian 13, Debian 12 5.7-1

debian advisories DEBIAN-CVE-2022-41317

  • squid Ubuntu 20.04 LTS 4.10-1ubuntu1.7
  • squid Ubuntu 22.04 LTS 5.2-1ubuntu4.2

ubuntu advisories UBUNTU-CVE-2022-41317

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 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +18 more 4.17-150000.5.35.1
  • squid SLES for SAP 12 SP4, SLES 12 SP4-LTSS, SLES 12 SP3-BCL +3 more 3.5.21-26.38.1
  • squid SLES for SAP 12 SP5, SLES 12 SP5 4.17-4.27.1
  • squid SLE Module for Server Applications 15 SP4, openSUSE Leap 15.4 5.7-150400.3.6.1

suse advisories SUSE-SU-2022:3596-1SUSE-SU-2022:3533-1SUSE-SU-2022:3532-1SUSE-SU-2022:3531-1

  • squid openSUSE Tumbleweed 5.7-2.1

opensuse advisories openSUSE-SU-2024:12364-1

  • squid Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 5.7-r0

alpine advisories ALPINE-CVE-2022-41317

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

  • squid Arch Linux 5.7-1

arch linux advisories AVG-2816

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-2022-41317 updated cvss 6.5

squid: exposure of sensitive information in cache manager

  • Red Hat Enterprise Linux 8 squid, libecap Red Hat Enterprise Linux 9 squid
    affected: workaround, no fix planned “Adding the following line to the squid.conf file is a workaround: acl manager url_regex +i ^[^:]+://[^/]+/squid-internal-mgr/”
  • Red Hat Enterprise Linux 6 squid, squid34 Red Hat Enterprise Linux 7 squid, squid-sysvinit, squid-migration-script
    not affected: vulnerable code not present

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

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.