Vulnerability in Apple macOS
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Apple macOS
- F-Secure Atlant
- F-Secure Cloud Protection For Salesforce
- F-Secure Elements Endpoint Detection And Response
- F-Secure Elements Endpoint Protection
- F-Secure Elements For Microsoft 365
- F-Secure Endpoint Protection Products On Windows And Mac. Linux Security (32-Bit) 64 Atlant Cloud For Salesforce Microsoft Office 365 — versions All Version
- F-Secure Internet Gatekeeper
- F-Secure Linux Security
- Microsoft Windows
References
Frequently asked questions
- What is CVE-2021-33603?
- CVE-2021-33603 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2021-10-08.
- How severe is CVE-2021-33603?
- Medium severity. CVSS v3 base score is 5.5 out of 10.