Medium severity · published Jun 21, 2021
CVE-2021-33572
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the FSAVD component used in certain F-Secure products can crash while scanning larger…
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the FSAVD component used in certain F-Secure products can crash while scanning larger packages/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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
Cloud Protection For Salesforce · F-secure
All versions, or not specified · source: NVD
EF
Elements For Microsoft 365 · F-secure
All versions, or not specified · source: NVD
EP
Endpoint Protection · F-secure
All versions, or not specified · source: NVD
LS
Linux Security · F-secure
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33572
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33572
Product
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories
More from Cloud Protection For Salesforce
7.5
CVE-2022-28883
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl unpack function crashes
7.5
CVE-2022-28882
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aegen.dll will go into an infinite loop when unpacking PE files
7.5
CVE-2022-28881
Denial-of-Service (DoS) Vulnerability
7.5
CVE-2022-28880
Denial-of-Service (DoS) Vulnerability
7.5
CVE-2022-28879
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant and in certain WithSecure products whereby the scanning the aepack.dll component can crash the scanning…