Vulnerability in Apple macOS
CVE-2021-40837
A vulnerability affecting F-Secure antivirus engine before Capricorn update 2022-02-01_01 was discovered whereby decompression of ACE file causes the scanner service to stop. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.007 (51.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Apple macOS
- F-Secure Atlant
- F-Secure Elements Endpoint Detection And Response
- F-Secure Elements Endpoint Protection
- F-Secure Endpoint Protection Products On Windows And Mac. Linux Security (32-Bit), 64, Atlant, Internet Gatekeeper & Cloud — versions All Version
- F-Secure Internet Gatekeeper
- F-Secure Linux Security
- F-Secure Security Cloud
- Microsoft Windows
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2021-40837?
- CVE-2021-40837 is a medium-severity vulnerability in Apple macOS. CVSS score: 4.6/10. Published 2022-02-09.
- How severe is CVE-2021-40837?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2021-40837 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.