CVE-2021-20213
 
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se encontró un fallo en Privoxy en versiones anteriores a 3.0.29. Una desreferencia de un puntero NULL podría resultar en un bloqueo si se habilitaba accept-intercepted-requests, Privoxy falló en obtener el destino de la petición del encabezado del host y falló en la asignación de memoria
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-03-23 CVE Published
- 2023-12-09 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (3)
URL | Tag | Source |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1928739 | 2021-12-14 |
URL | Date | SRC |
---|---|---|
https://security.gentoo.org/glsa/202107-16 | 2021-12-14 | |
https://www.privoxy.org/3.0.29/user-manual/whatsnew.html | 2021-12-14 |