CVE-2022-28886: A Denial-of-Service vulnerability was discovered in the F-Secure and WithSecure products where aerdl.so/aerdl.

Routine

MEDIUM 4.3WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2022-28886 is a medium-severity flaw (CVSS 4.3) affecting cloud protection for salesforce, collaboration protection, elements endpoint protection. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Denial-of-Service vulnerability was discovered in the F-Secure and WithSecure products where aerdl.so/aerdl.dll may go into an infinite loop when unpacking PE files. It is possible that this can crash the scanning engine

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-835
Published	2022-09-23
Last modified	2026-06-17

Publisher (CNA): F-Secure · Vendor: f-secure

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-23 19:15 UTCPublished CVE record published
2026-06-17 04:39 UTCUpdated Record last modified

f-secure cloud protection for salesforce MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloud-protection-for-salesforce || rpm -q cloud-protection-for-salesforce || cloud-protection-for-salesforce --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

f-secure collaboration protection MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy collaboration-protection || rpm -q collaboration-protection || collaboration-protection --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

f-secure elements endpoint protection MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy elements-endpoint-protection || rpm -q elements-endpoint-protection || elements-endpoint-protection --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

f-secure internet gatekeeper MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy internet-gatekeeper || rpm -q internet-gatekeeper || internet-gatekeeper --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

f-secure linux security MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy linux-security || rpm -q linux-security || linux-security --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-28886?

cloud protection for salesforce: mitigate or apply the listed mitigation; collaboration protection: mitigate or apply the listed mitigation; elements endpoint protection: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-28886 being exploited?

CVE-2022-28886 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-28886 affect?

CVE-2022-28886 affects cloud protection for salesforce, collaboration protection, elements endpoint protection. Severity is medium (CVSS 4.3). A Denial-of-Service vulnerability was discovered in the F-Secure and WithSecure products where aerdl.so/aerdl.dll may go into an infinite loop when unpacking PE files. It is possible that this can crash the scanning engine

How urgent is CVE-2022-28886?

Priority 30/100. On your watchlist

Software pages

Salesforce vulnerabilities

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References

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