Vulnerability Details : CVE-2021-28652

Potential exploit
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.
Published 2021-05-27 12:15:08
Updated 2023-10-24 14:46:43
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2021-28652

Threat overview for CVE-2021-28652

Top countries where our scanners detected CVE-2021-28652
Top open port discovered on systems with this issue 3128
IPs affected by CVE-2021-28652 3,081,555
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-28652!
*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-2021-28652

EPSS FAQ
0.84%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-28652

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
 MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P
8.0
2.9
 NIST
4.9
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
1.2
3.6
 NIST

CWE ids for CVE-2021-28652

References for CVE-2021-28652

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