CVE-2002-1466: CafeLog b2 Weblog Tool 2.06pre4, with allow_fopen_url enabled, allows remote attackers to execute arbitrary PH

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HIGH 10.0DOWNGRADE

CVE-2002-1466 is a high-severity flaw (CVSS 10.0) affecting b2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CafeLog b2 Weblog Tool 2.06pre4, with allow_fopen_url enabled, allows remote attackers to execute arbitrary PHP code via the b2inc variable.

Why this priority

Critical severity
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2003-04-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cafelog

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

Am I affected?

Timeline

2003-04-22 04:00 UTCPublished CVE record published
2026-06-16 21:59 UTCUpdated Record last modified

cafelog b2 DOWNGRADE

Affected: 2.06pre4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.06pre4

1. Check installed version

apt-cache policy b2 || rpm -q b2 || b2 --version

2. No fixed release: DOWNGRADE to a release before 2.06pre4 (Debian / Ubuntu)

apt-cache madison b2 sudo apt install b2=<VERSION_BEFORE_2.06pre4> sudo apt-mark hold b2

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

dnf --showduplicates list b2 sudo dnf downgrade b2-<VERSION_BEFORE_2.06pre4> sudo dnf versionlock add b2

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-2002-1466?

b2: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1466 being exploited?

CVE-2002-1466 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-2002-1466 affect?

CVE-2002-1466 affects b2. Severity is high (CVSS 10.0). CafeLog b2 Weblog Tool 2.06pre4, with allow_fopen_url enabled, allows remote attackers to execute arbitrary PHP code via the b2inc variable.

How urgent is CVE-2002-1466?

Priority 61/100. Critical severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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