CVE-2005-3213: Multiple interpretation error in unspecified versions of F-Prot Antivirus allows remote attackers to bypass vi

Routine

MEDIUM 5.1MITIGATE

CVE-2005-3213 is a medium-severity flaw (CVSS 5.1) affecting f-prot antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple interpretation error in unspecified versions of F-Prot Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar and PowerZip, even though they are rejected as corrupted by Winzip and BitZipper.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Published	2005-10-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: frisk software

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-10-14 10:02 UTCPublished CVE record published
2026-06-16 22:16 UTCUpdated Record last modified

frisk software f-prot antivirus 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 f-prot-antivirus || rpm -q f-prot-antivirus || f-prot-antivirus --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-2005-3213?

f-prot antivirus: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-3213 being exploited?

CVE-2005-3213 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-2005-3213 affect?

CVE-2005-3213 affects f-prot antivirus. Severity is medium (CVSS 5.1). Multiple interpretation error in unspecified versions of F-Prot Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still

How urgent is CVE-2005-3213?

Priority 37/100. No elevated risk signals yet.

Software pages

WinRAR vulnerabilities

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References

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