CVE-2005-3235: Multiple interpretation error in unspecified versions of Proland Protector Plus 2000 Antivirus allows remote a

Routine

MEDIUM 5.1DOWNGRADE

CVE-2005-3235 is a medium-severity flaw (CVSS 5.1) affecting protector plus. 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 Proland Protector Plus 2000 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 23%)
CISA exploited list	No
Published	2005-10-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: proland

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

proland protector plus DOWNGRADE

Affected: 2000

Fixed in: no fixed release known

Safe to downgrade to: a release before 2000

1. Check installed version

apt-cache policy protector-plus || rpm -q protector-plus || protector-plus --version

2. No fixed release: DOWNGRADE to a release before 2000 (Debian / Ubuntu)

apt-cache madison protector-plus sudo apt install protector-plus=<VERSION_BEFORE_2000> sudo apt-mark hold protector-plus

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list protector-plus sudo dnf downgrade protector-plus-<VERSION_BEFORE_2000> sudo dnf versionlock add protector-plus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2005-3235?

protector plus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-3235 being exploited?

CVE-2005-3235 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-2005-3235 affect?

CVE-2005-3235 affects protector plus. Severity is medium (CVSS 5.1). Multiple interpretation error in unspecified versions of Proland Protector Plus 2000 Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local hea

How urgent is CVE-2005-3235?

Priority 37/100. No elevated risk signals yet.

Software pages

WinRAR vulnerabilities

References

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