CVE-2005-0175

Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache via an HTTP response splitting attack.

Published: 2005-02-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-0175 is rated Moderate Risk (50.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 77.76%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-0175

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-24 81.60% 77.76% -3.84%
2 2025-03-30 83.38% 81.60% -1.78%
3 2025-03-29 — 83.38% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0175

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-0175

OS Trackers for CVE-2005-0175

vendor priority summary link
debian not yet assigned CVE-2005-0175 not yet assigned priority: Debian including 1 source packages (squid), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-0175
redhat — — https://access.redhat.com/security/cve/CVE-2005-0175
ubuntu medium CVE-2005-0175 medium priority: Ubuntu including 1 source packages (squid), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-0175

Affected software / configurations for CVE-2005-0175

Vendor Product Version Raw CPE
squid squid 2.5.6 cpe:2.3:a:squid:squid:2.5.6:*:*:*:*:*:*:*
squid squid 2.5.stable1 cpe:2.3:a:squid:squid:2.5.stable1:*:*:*:*:*:*:*
squid squid 2.5.stable2 cpe:2.3:a:squid:squid:2.5.stable2:*:*:*:*:*:*:*
squid squid 2.5.stable3 cpe:2.3:a:squid:squid:2.5.stable3:*:*:*:*:*:*:*
squid squid 2.5.stable4 cpe:2.3:a:squid:squid:2.5.stable4:*:*:*:*:*:*:*
squid squid 2.5.stable5 cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:*
squid squid 2.5.stable6 cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:*
squid squid 2.5.stable7 cpe:2.3:a:squid:squid:2.5.stable7:*:*:*:*:*:*:*
squid squid 2.5_.stable1 cpe:2.3:a:squid:squid:2.5_.stable1:*:*:*:*:*:*:*
squid squid 2.5_.stable3 cpe:2.3:a:squid:squid:2.5_.stable3:*:*:*:*:*:*:*
squid squid 2.5_.stable4 cpe:2.3:a:squid:squid:2.5_.stable4:*:*:*:*:*:*:*
squid squid 2.5_.stable5 cpe:2.3:a:squid:squid:2.5_.stable5:*:*:*:*:*:*:*
squid squid 2.5_.stable6 cpe:2.3:a:squid:squid:2.5_.stable6:*:*:*:*:*:*:*
squid squid 2.5_stable3 cpe:2.3:a:squid:squid:2.5_stable3:*:*:*:*:*:*:*
squid squid 2.5_stable4 cpe:2.3:a:squid:squid:2.5_stable4:*:*:*:*:*:*:*
squid squid 2.5_stable9 cpe:2.3:a:squid:squid:2.5_stable9:*:*:*:*:*:*:*

References for CVE-2005-0175

URL Tags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000931 Patch Vendor Advisory
http://fedoranews.org/updates/FEDORA--.shtml
http://marc.info/?l=bugtraq&m=110780531820947&w=2
http://www.debian.org/security/2005/dsa-667 Patch Vendor Advisory
http://www.kb.cert.org/vuls/id/625878 Patch Third Party Advisory US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2005:034
http://www.novell.com/linux/security/advisories/2005_06_squid.html Patch Vendor Advisory
http://www.redhat.com/archives/fedora-announce-list/2005-May/msg00025.html
http://www.redhat.com/support/errata/RHSA-2005-060.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-061.html Patch Vendor Advisory
http://www.securityfocus.com/bid/12433
http://www.squid-cache.org/Advisories/SQUID-2005_5.txt Vendor Advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-response_splitting Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11605
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