Vulnerability Details : CVE-2021-33603
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.
Vulnerability category: Denial of service
Products affected by CVE-2021-33603
- cpe:2.3:a:f-secure:internet_gatekeeper:-:*:*:*:*:-:*:*
- cpe:2.3:a:f-secure:linux_security:-:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:cloud_protection_for_salesforce:-:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_for_microsoft_365:-:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_endpoint_protection:-:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:atlant:-:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33603
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33603
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 | |
5.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
2.1
|
3.4
|
F-Secure | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
References for CVE-2021-33603
-
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603
CVE-2021-33603 | F-SecureVendor Advisory
-
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
Hall of Fame | F-SecureVendor Advisory
Jump to