CVE-2021-31807
CVSS v3
6.5
MEDIUM
EPSS Score
33.7 %
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. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
Technical details
- Published
- 2021-06-08
Frequently asked questions
What is CVE-2021-31807?
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
Is CVE-2021-31807 actively exploited?
Active exploitation of CVE-2021-31807 has not been confirmed. The EPSS score is 33.7%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-31807?
CVE-2021-31807 has a CVSS v3 base score of 6.5 (MEDIUM severity).
Is CVE-2021-31807 affecting your environment?
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