CVE-2023-49321
CVE-2023-49321 is a medium-severity vulnerability in F-secure Linux Protection with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F-secure Linux Protection
- Published:
- Last modified:
Description
Certain WithSecure products allow a Denial of Service because scanning a crafted file takes a long time, and causes the scanner to hang. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant 1.0.35-1.
Frequently asked questions
- What is CVE-2023-49321?
- Certain WithSecure products allow a Denial of Service because scanning a crafted file takes a long time, and causes the scanner to hang. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant 1.0.35-1.
- How severe is CVE-2023-49321?
- CVE-2023-49321 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-49321 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49321?
- CVE-2023-49321 primarily affects F-secure Linux Protection. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-49321?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-49321 published?
- CVE-2023-49321 was published on 2023-11-27 and last updated on 2026-06-17.
References
Affected products (7)
- cpe:2.3:a:f-secure:linux_protection:12.0:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:linux_security_64:12.0:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:atlant:1.0.35-1:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:client_security:15.00:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:email_and_server_security:15.00:*:*:*:*:*:*:*
- cpe:2.3:a:f-secure:server_security:15.00:*:*:*:*:*:*:*
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