CVE-2002-0934: Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) al

This month

MEDIUM 6.4DOWNGRADE

CVE-2002-0934 is a medium-severity flaw (CVSS 6.4) affecting alienform2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) allows remote attackers to read or modify arbitrary files via an illegal character in the middle of a .. (dot dot) sequence in the parameters (1) _browser_out or (2) _out_file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2002-10-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jon hedley

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

Am I affected?

Timeline

2002-10-04 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

jon hedley alienform2 DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

apt-cache policy alienform2 || rpm -q alienform2 || alienform2 --version

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison alienform2 sudo apt install alienform2=<VERSION_BEFORE_1.5> sudo apt-mark hold alienform2

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

dnf --showduplicates list alienform2 sudo dnf downgrade alienform2-<VERSION_BEFORE_1.5> sudo dnf versionlock add alienform2

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-2002-0934?

alienform2: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0934 being exploited?

CVE-2002-0934 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-2002-0934 affect?

CVE-2002-0934 affects alienform2. Severity is medium (CVSS 6.4). Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) allows remote attackers to read or modify arbitrary files via an illegal character in the middle of a .. (dot dot) sequence in the p

How urgent is CVE-2002-0934?

Priority 43/100. No elevated risk signals yet.

Related CVEs

CVE-2020-10948 CRITICAL 9.8 DOWNGRADE Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) 2.0.2 is vulnerable to Remote Command E

References

← Back to latest CVEs