CVE-2005-2917

Squid vulnerability

CVSS

5.0

EPSS

3.4%

EPSS pct

88th

Exploited

No known

Squid 2.5.STABLE10 and earlier, while performing NTLM authentication, does not properly handle certain request sequences, which allows attackers to cause a denial of service (daemon restart).

Affected vendor

Squid

Affected product

Squid

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2005-09-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2005-2917

Confirm whether Squid Squid is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-2917.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-2917

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-2917 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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