CVE-2002-2171: Cross-site scripting (XSS) vulnerability in acWEB 1.8 and 1.14 allows remote attackers to insert arbitrary HTM

Routine

MEDIUM 4.3DOWNGRADE

CVE-2002-2171 is a medium-severity flaw (CVSS 4.3) affecting acweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in acWEB 1.8 and 1.14 allows remote attackers to insert arbitrary HTML and web script via a URL, possibly via a "%db" request in a URL.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: andrey cherezov

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

andrey cherezov acweb DOWNGRADE

Affected: 1.8 · 1.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8 (Debian / Ubuntu)

apt-cache madison acweb sudo apt install acweb=<VERSION_BEFORE_1.8> sudo apt-mark hold acweb

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

dnf --showduplicates list acweb sudo dnf downgrade acweb-<VERSION_BEFORE_1.8> sudo dnf versionlock add acweb

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: ACWeb 1.14/1.8 - Cross-Site Scripting

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-2002-2171?

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

Is CVE-2002-2171 being exploited?

CVE-2002-2171 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-2002-2171 affect?

CVE-2002-2171 affects acweb. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in acWEB 1.8 and 1.14 allows remote attackers to insert arbitrary HTML and web script via a URL, possibly via a "%db" request in a URL.

How urgent is CVE-2002-2171?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2002-2421 HIGH 7.8 DOWNGRADE acWEB 1.14 allows remote attackers to cause a denial of service (crash) via an HTTP request for a MS-DOS devic

References

← Back to latest CVEs