An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
Published 2021-10-18 09:15:09
Updated 2022-03-31 16:26:29
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2021-41611

Top countries where our scanners detected CVE-2021-41611
Top open port discovered on systems with this issue 5002
IPs affected by CVE-2021-41611 73,981
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-41611!
*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-2021-41611

0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-41611

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2021-41611

References for CVE-2021-41611

Products affected by CVE-2021-41611

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