CVE-2005-3211: Multiple interpretation error in unspecified versions of BitDefender Antivirus allows remote attackers to bypa

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MEDIUM 5.1MITIGATE

CVE-2005-3211 is a medium-severity flaw (CVSS 5.1) affecting bitdefender 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 BitDefender 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

Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2005-10-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: softwin

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

softwin bitdefender 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 bitdefender-antivirus || rpm -q bitdefender-antivirus || bitdefender-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-2005-3211?

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

Is CVE-2005-3211 being exploited?

CVE-2005-3211 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-2005-3211 affect?

CVE-2005-3211 affects bitdefender antivirus. Severity is medium (CVSS 5.1). Multiple interpretation error in unspecified versions of BitDefender 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

How urgent is CVE-2005-3211?

Priority 43/100. Public exploit reference

Software pages

WinRAR vulnerabilities

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CVE-2005-1286 LOW 1.2 DOWNGRADE Unquoted Windows search path vulnerability in BitDefender 8 allows local users to prevent BitDefender from sta

References

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