Vulnerability Details : CVE-2021-20213
A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.
Products affected by CVE-2021-20213
- cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20213
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20213
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-20213
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: secalert@redhat.com (Primary)
References for CVE-2021-20213
-
https://www.privoxy.org/3.0.29/user-manual/whatsnew.html
What's New in this ReleaseRelease Notes;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1928739
1928739 – (CVE-2021-20213) CVE-2021-20213 privoxy: dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabledIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202107-16
Privoxy: Multiple vulnerabilities (GLSA 202107-16) — Gentoo securityThird Party Advisory
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