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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