Certain WithSecure products allow a Denial of Service because scanning a crafted file takes a long time, and causes the scanner to hang.
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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Nov 26, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.6% · 47th percentile
- CWE
- —
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| f-secure | linux protection | cpe:2.3:a:f-secure:linux_protection |
| f-secure | linux security 64 | cpe:2.3:a:f-secure:linux_security_64 |
| f-secure | atlant | cpe:2.3:a:f-secure:atlant |
| f-secure | client security | cpe:2.3:a:f-secure:client_security |
| f-secure | elements endpoint protection | cpe:2.3:a:f-secure:elements_endpoint_protection |
| f-secure | email and server security | cpe:2.3:a:f-secure:email_and_server_security |
| f-secure | server security | cpe:2.3:a:f-secure:server_security |
| linux | linux kernel | cpe:2.3:o:linux:linux_kernel |
| microsoft | windows | cpe:2.3:o:microsoft:windows |
| apple | macos | cpe:2.3:o:apple:macos |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- f-secure atlant1.0.35-1
- f-secure client security15.00
- f-secure elements endpoint protection17.0 and later
- f-secure email and server security15.00
- f-secure linux protection12.0
- f-secure linux security 6412.0
- f-secure server security15.00
Same product
f-secure: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-43766Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler.31Monitor
- CVE-2023-49322Certain WithSecure products allow a Denial of Service because there is an unpack handler crash that can lead to a scanning engine crash.30Monitor
- CVE-2023-43767Certain WithSecure products allow Denial of Service via the aepack archive unpack handler.30Monitor
- CVE-2023-43765Certain WithSecure products allow Denial of Service in the aeelf component.30Monitor
- CVE-2023-43761Certain WithSecure products allow Denial of Service (infinite loop).30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- low · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- Low
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.