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CVE-2015-5400

MEDIUM severity · CVSS 6.8 · CWE-264
6.8CVSS MEDIUM

Summary

Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

Impact & exploitability

Attack vectorNetwork
Attack complexity
Privileges required
User interaction
Confidentiality impact
Integrity impact
Availability impact
Exploit probability (EPSS)17%

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

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.