CVE-2007-3643: admin/index.php in AV Arcade 2.1b grants administrative privileges when the ava_userid cookie value is 1, whic

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HIGH 10.0DOWNGRADE

CVE-2007-3643 is a high-severity flaw (CVSS 10.0) affecting av arcade. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

admin/index.php in AV Arcade 2.1b grants administrative privileges when the ava_userid cookie value is 1, which allows remote attackers to perform certain administrative actions.

Why this priority

Critical severity

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Published	2007-07-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: av scripts

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

Am I affected?

Timeline

2007-07-10 01:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

av scripts av arcade DOWNGRADE

Affected: 2.1b

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1b

1. Check installed version

apt-cache policy av-arcade || rpm -q av-arcade || av-arcade --version

2. No fixed release: DOWNGRADE to a release before 2.1b (Debian / Ubuntu)

apt-cache madison av-arcade sudo apt install av-arcade=<VERSION_BEFORE_2.1b> sudo apt-mark hold av-arcade

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

dnf --showduplicates list av-arcade sudo dnf downgrade av-arcade-<VERSION_BEFORE_2.1b> sudo dnf versionlock add av-arcade

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-2007-3643?

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

Is CVE-2007-3643 being exploited?

CVE-2007-3643 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-2007-3643 affect?

CVE-2007-3643 affects av arcade. Severity is high (CVSS 10.0). admin/index.php in AV Arcade 2.1b grants administrative privileges when the ava_userid cookie value is 1, which allows remote attackers to perform certain administrative actions.

How urgent is CVE-2007-3643?

Priority 56/100. Critical severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2010-2933 HIGH 7.5 DOWNGRADE SQL injection vulnerability in AV Scripts AV Arcade 3 allows remote attackers to execute arbitrary SQL command
CVE-2007-3563 HIGH 7.5 DOWNGRADE SQL injection vulnerability in includes/view_page.php in AV Arcade 2.1b allows remote attackers to execute arb

References

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