CVE-2000-1238: BEA Systems WebLogic Express and WebLogic Server 5.1 SP1-SP6 allows remote attackers to bypass access controls

This month

HIGH 7.5DOWNGRADE

CVE-2000-1238 is a high-severity flaw (CVSS 7.5) affecting weblogic server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BEA Systems WebLogic Express and WebLogic Server 5.1 SP1-SP6 allows remote attackers to bypass access controls for restricted JSP or servlet pages via a URL with multiple / (forward slash) characters before the restricted pages.

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	2.7% (top 14%)
CISA exploited list	No
Published	2000-12-31
Last modified	2026-09-23

Publisher (CNA): MITRE · Vendor: bea

Last updated 2026-09-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2000-12-31 05:00 UTCPublished CVE record published
2026-09-23 09:10 UTCUpdated Record last modified

bea weblogic server DOWNGRADE

Affected: 5.1 · 5.1 sp1 · 5.1 sp2 · 5.1 sp3 · 5.1 sp4 · 5.1 sp5 · 5.1 sp6

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1

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 5.1 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_5.1> 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_5.1> 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-2000-1238?

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

Is CVE-2000-1238 being exploited?

CVE-2000-1238 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-2000-1238 affect?

CVE-2000-1238 affects weblogic server. Severity is high (CVSS 7.5). BEA Systems WebLogic Express and WebLogic Server 5.1 SP1-SP6 allows remote attackers to bypass access controls for restricted JSP or servlet pages via a URL with multiple / (forward slash) characters before the restricted pages.

How urgent is CVE-2000-1238?

Priority 48/100. High severity

Software pages

Oracle WebLogic vulnerabilities

Related CVEs

CVE-2026-34305 HIGH 7.5 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services)
CVE-2026-34292 HIGH 7.2 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)
CVE-2026-34315 MEDIUM 6.5 DOWNGRADE Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services)
CVE-2026-35300 CRITICAL 9.8 DOWNGRADE Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Core)
CVE-2026-35292 CRITICAL 10.0 DOWNGRADE Vulnerability in the WebLogic Server product of Oracle Fusion Middleware (component: Console)

References

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