CVE-2002-0091: Multiple CGI scripts in CIDER SHADOW 1.5 and 1.6 allows remote attackers to execute arbitrary commands via cer

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HIGH 7.5DOWNGRADE

CVE-2002-0091 is a high-severity flaw (CVSS 7.5) affecting cider shadow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple CGI scripts in CIDER SHADOW 1.5 and 1.6 allows remote attackers to execute arbitrary commands via certain form fields.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Published	2002-03-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nswc

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

Am I affected?

Timeline

2002-03-15 05:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

nswc cider shadow DOWNGRADE

Affected: 1.5 · 1.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

apt-cache policy cider-shadow || rpm -q cider-shadow || cider-shadow --version

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

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

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

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

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-2002-0091?

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

Is CVE-2002-0091 being exploited?

CVE-2002-0091 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-2002-0091 affect?

CVE-2002-0091 affects cider shadow. Severity is high (CVSS 7.5). Multiple CGI scripts in CIDER SHADOW 1.5 and 1.6 allows remote attackers to execute arbitrary commands via certain form fields.

How urgent is CVE-2002-0091?

Priority 47/100. High severity

References

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