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MEDIUM

CVE-2021-28652

CVSS v3

4.9

MEDIUM

EPSS Score

0.5 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

Published
2021-05-27

Frequently asked questions

What is CVE-2021-28652?

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.

Is CVE-2021-28652 actively exploited?

Active exploitation of CVE-2021-28652 has not been confirmed. The EPSS score is 0.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-28652?

CVE-2021-28652 has a CVSS v3 base score of 4.9 (MEDIUM severity).

Is CVE-2021-28652 affecting your environment?

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