CVE-2002-2142: An undocumented extension for the Servlet mappings in the Servlet 2.3 specification, when upgrading to WebLogi

This month

HIGH 7.5DOWNGRADEDOWNGRADE

CVE-2002-2142 is a high-severity flaw (CVSS 7.5) affecting weblogic integration, weblogic server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An undocumented extension for the Servlet mappings in the Servlet 2.3 specification, when upgrading to WebLogic Server and Express 7.0 Service Pack 1 from BEA WebLogic Server and Express 6.0 through 7.0.0.1, does not prepend a "/" character in certain URL patterns, which prevents the proper enforcement of role mappings and policies in applications that use the extension.

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	1.3% (top 30%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bea

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

bea weblogic integration DOWNGRADE

Affected: 7.0 · 7.0 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy weblogic-integration || rpm -q weblogic-integration || weblogic-integration --version

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison weblogic-integration sudo apt install weblogic-integration=<VERSION_BEFORE_7.0> sudo apt-mark hold weblogic-integration

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

dnf --showduplicates list weblogic-integration sudo dnf downgrade weblogic-integration-<VERSION_BEFORE_7.0> sudo dnf versionlock add weblogic-integration

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.

bea weblogic server DOWNGRADE

Affected: 6.0 · 6.1 · 7.0 · 7.0.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy weblogic-server || rpm -q weblogic-server || weblogic-server --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_6.0> sudo apt-mark hold weblogic-server

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

dnf --showduplicates list weblogic-server sudo dnf downgrade weblogic-server-<VERSION_BEFORE_6.0> sudo dnf versionlock add weblogic-server

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-2002-2142?

weblogic integration: downgrade or apply the listed mitigation; weblogic server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-2142 being exploited?

CVE-2002-2142 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-2002-2142 affect?

CVE-2002-2142 affects weblogic integration, weblogic server. Severity is high (CVSS 7.5). An undocumented extension for the Servlet mappings in the Servlet 2.3 specification, when upgrading to WebLogic Server and Express 7.0 Service Pack 1 from BEA WebLogic Server and Express 6.0 through 7.0.0.1, does not prepend a "/" character

How urgent is CVE-2002-2142?

Priority 44/100. High severity

Software pages

Oracle WebLogic vulnerabilities

Related CVEs

CVE-2007-5576 MEDIUM 6.8 DOWNGRADE DOWNGRADE BEA Tuxedo 8.0 before RP392 and 8.1 before RP293, and WebLogic Enterprise 5.1 before RP174, echo the password
CVE-2007-2705 HIGH 7.8 DOWNGRADE DOWNGRADE Directory traversal vulnerability in the Test View Console in BEA WebLogic Integration 9.2 before SP1 and WebL
CVE-2003-0733 MEDIUM 6.8 DOWNGRADE DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in WebLogic Integration 7.0 and 2.0, Liquid Data 1.1, and

References

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