CVE-2021-20296
Severity Score
5.3
*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 OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Se encontró un fallo en OpenEXR en versiones anteriores a 3.0.0-beta. Un archivo de entrada diseñado proporcionado por un atacante, que es procesado por la funcionalidad de decompresión Dwa de la biblioteca IlmImf de OpenEXR, podría causar una desreferencia del puntero NULL. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.
*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
- 2021-04-01 CVE Published
- 2023-12-16 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 | 2022-12-13 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939141 | 2022-12-13 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202107-27 | 2022-12-13 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Openexr Search vendor "Openexr" | Openexr Search vendor "Openexr" for product "Openexr" | < 2.4.3 Search vendor "Openexr" for product "Openexr" and version " < 2.4.3" | - |
Affected
| ||||||
| Openexr Search vendor "Openexr" | Openexr Search vendor "Openexr" for product "Openexr" | >= 2.5.0 < 2.5.4 Search vendor "Openexr" for product "Openexr" and version " >= 2.5.0 < 2.5.4" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||