CVE-2021-20217
HIGHCVSS 7.5/10EPSS 1.37%
Last modified
CVE-2021-20217 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. EPSS estimates a 1.37% chance of exploitation in the next 30 days.
Description
A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Privoxy | Privoxy | < 3.0.31 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1923252Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202107-16Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1923252Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202107-16Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20217?
A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.
How severe is CVE-2021-20217?
CVE-2021-20217 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20217?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-20217?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST