CVE-2007-2917: Multiple buffer overflows in a certain ActiveX control in odapi.dll in Authentium Command Antivirus before 4.9

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HIGH 9.3DOWNGRADE

CVE-2007-2917 is a high-severity flaw (CVSS 9.3) affecting command antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in a certain ActiveX control in odapi.dll in Authentium Command Antivirus before 4.93.8 allow remote attackers to execute arbitrary code via unspecified vectors.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	6.6% (top 6%)
CISA exploited list	No
Published	2007-06-01
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: authentium

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

Am I affected?

Timeline

2007-06-01 01:30 UTCPublished CVE record published
2026-06-16 22:40 UTCUpdated Record last modified

authentium command antivirus DOWNGRADE

Affected: 4.93.1 · 4.93.2 · 4.93.3 · 4.93.4 · 4.93.5 · 4.93.6 · 4.93.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.93.1

1. Check installed version

apt-cache policy command-antivirus || rpm -q command-antivirus || command-antivirus --version

2. No fixed release: DOWNGRADE to a release before 4.93.1 (Debian / Ubuntu)

apt-cache madison command-antivirus sudo apt install command-antivirus=<VERSION_BEFORE_4.93.1> sudo apt-mark hold command-antivirus

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

dnf --showduplicates list command-antivirus sudo dnf downgrade command-antivirus-<VERSION_BEFORE_4.93.1> sudo dnf versionlock add command-antivirus

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-2007-2917?

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

Is CVE-2007-2917 being exploited?

CVE-2007-2917 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-2007-2917 affect?

CVE-2007-2917 affects command antivirus. Severity is high (CVSS 9.3). Multiple buffer overflows in a certain ActiveX control in odapi.dll in Authentium Command Antivirus before 4.93.8 allow remote attackers to execute arbitrary code via unspecified vectors.

How urgent is CVE-2007-2917?

Priority 56/100. Critical severity; EPSS top 6%: very likely to be exploited

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References

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