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.
Published 2015-09-28 20:59:03
Updated 2017-09-22 01:29:24
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2015-5400

Top countries where our scanners detected CVE-2015-5400
Top open port discovered on systems with this issue 80
IPs affected by CVE-2015-5400 182,813
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2015-5400!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2015-5400

0.93%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-5400

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST

CWE ids for CVE-2015-5400

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-5400

Products affected by CVE-2015-5400

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