CVE-2002-0166: Cross-site scripting vulnerability in analog before 5.22 allows remote attackers to execute Javascript via an

This month

HIGH 7.5DOWNGRADE

CVE-2002-0166 is a high-severity flaw (CVSS 7.5) affecting analog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting vulnerability in analog before 5.22 allows remote attackers to execute Javascript via an HTTP request containing the script, which is entered into a web logfile and not properly filtered by analog during display.

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	1.8% (top 22%)
CISA exploited list	No
Published	2002-04-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: stephen turner

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

Am I affected?

Timeline

2002-04-22 04:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

stephen turner analog DOWNGRADE

Affected: 3.90_beta1 · 3.90_beta2 · 4.1 · 4.01 · 4.02 · 4.03 · 4.04 · 4.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.90_beta1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.90_beta1 (Debian / Ubuntu)

apt-cache madison analog sudo apt install analog=<VERSION_BEFORE_3.90_beta1> sudo apt-mark hold analog

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

dnf --showduplicates list analog sudo dnf downgrade analog-<VERSION_BEFORE_3.90_beta1> sudo dnf versionlock add analog

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-2002-0166?

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

Is CVE-2002-0166 being exploited?

CVE-2002-0166 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-2002-0166 affect?

CVE-2002-0166 affects analog. Severity is high (CVSS 7.5). Cross-site scripting vulnerability in analog before 5.22 allows remote attackers to execute Javascript via an HTTP request containing the script, which is entered into a web logfile and not properly filtered by analog during display.

How urgent is CVE-2002-0166?

Priority 46/100. High severity

Related CVEs

CVE-2002-1154 MEDIUM 5.0 UPGRADE anlgform.pl in Analog before 5.23 does not restrict access to the PROGRESSFREQ progress update command, which
CVE-2001-0301 HIGH 10.0 UPGRADE Buffer overflow in Analog before 4.16 allows remote attackers to execute arbitrary commands by using the ALIAS

References

← Back to latest CVEs