CVE-2014-9749

Squid vulnerability

CVSS

4.0

EPSS

11.4%

EPSS pct

96th

Exploited

No known

Squid 3.4.4 through 3.4.11 and 3.5.0.1 through 3.5.1, when Digest authentication is used, allow remote authenticated users to retain access by leveraging a stale nonce, aka "Nonce replay vulnerability."

Affected vendor

Squid Cache

Affected product

Squid

CVSS vector

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

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2015-11-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to integrity.

Its EPSS score of 11.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2014-9749

Confirm whether Squid Cache Squid is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-9749.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-9749

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-9749 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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