Denial-of-Service (DoS) Vulnerability
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. This eventually leads to scanning engine crash. The exploit can be triggered remotely by an attacker.
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
- Aug 23, 2022
- Updated
- Jun 17, 2026
- EPSS
- 0.4% · 36th percentile
- CWE
- CWE-835
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Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
CNA vs NVD score
- NVD
- 7.5
- CNA · F-SecureUS
- 4.3
- 3.2 point gap
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| f-secure | elements endpoint protection | cpe:2.3:a:f-secure:elements_endpoint_protection |
| f-secure | atlant | cpe:2.3:a:f-secure:atlant |
| f-secure | cloud protection for salesforce | cpe:2.3:a:f-secure:cloud_protection_for_salesforce |
| f-secure | elements collaboration protection | cpe:2.3:a:f-secure:elements_collaboration_protection |
| f-secure | internet gatekeeper | cpe:2.3:a:f-secure:internet_gatekeeper |
| f-secure | linux security | cpe:2.3:a:f-secure:linux_security |
| f-secure | linux security 64 | cpe:2.3:a:f-secure:linux_security_64 |
| apple | macos | cpe:2.3:o:apple:macos |
| microsoft | windows | cpe:2.3:o:microsoft:windows |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- f-secure atlantall versions
- f-secure cloud protection for salesforceall versions
- f-secure elements collaboration protectionall versions
- f-secure elements endpoint protectionall versions
- f-secure internet gatekeeperall versions
- f-secure linux securityall versions
- f-secure linux security 64all versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (F-SecureUS). Independent of NVD's CPE analysis and usually ahead of it.
F-Secure and WithSecure All F-Secure and WithSecure Endpoint Protection products for Windows & Mac F-Secure Linux Security (32-bit) F-Secure Linux Security (64-bit) F-Secure Atlant F-Secure Internet Gatekeeper WithSecure Clo
- All Versionaffected
Same product
f-secure: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-38166In F-Secure Endpoint Protection for Windows and macOS before channel with Capricorn database 2022-11-22_07, the aerdl.dll unpacker handler c30Monitor
- CVE-2022-28883Denial-of-Service (DoS) Vulnerability30Monitor
- CVE-2022-28879Denial-of-Service (DoS) Vulnerability30Monitor
- CVE-2022-28878Denial-of-Service (DoS) Vulnerability30Monitor
- CVE-2022-28877Local Privilege Escalation Vulnerability in F-Secure & WithSecure Windows Endpoint Products26Monitor
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.
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
- high · 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
- High
Weakness class (CWE)
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.