CVE-2008-0900: Session fixation vulnerability in BEA WebLogic Server and Express 8.1 SP4 through SP6, 9.2 through MP1, and 10

This week

MEDIUM 6.0DOWNGRADEDOWNGRADE

CVE-2008-0900 is a medium-severity flaw (CVSS 6.0) affecting weblogic server, weblogic express. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Session fixation vulnerability in BEA WebLogic Server and Express 8.1 SP4 through SP6, 9.2 through MP1, and 10.0 allows remote authenticated users to hijack web sessions via unknown vectors.

Why this priority

EPSS top 4%: very likely to be exploited

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

Risk facts

CVSS score	6.0 (Medium)
EPSS exploit chance	10.1% (top 4%)
CISA exploited list	No
Weakness	CWE-264
Published	2008-02-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bea · bea systems

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

Am I affected?

Timeline

2008-02-22 21:44 UTCPublished CVE record published
2026-06-16 22:50 UTCUpdated Record last modified

bea weblogic server DOWNGRADE

Affected: 8.1 sp4 · 8.1 sp5 · 8.1 sp6 · 9.2 · 9.2 mp1 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.1

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 8.1 (Debian / Ubuntu)

apt-cache madison weblogic-server sudo apt install weblogic-server=<VERSION_BEFORE_8.1> 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_8.1> 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.

bea systems weblogic express DOWNGRADE

Affected: 9.2 mp1 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.2 (Debian / Ubuntu)

apt-cache madison weblogic-express sudo apt install weblogic-express=<VERSION_BEFORE_9.2> sudo apt-mark hold weblogic-express

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

dnf --showduplicates list weblogic-express sudo dnf downgrade weblogic-express-<VERSION_BEFORE_9.2> sudo dnf versionlock add weblogic-express

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-2008-0900?

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

Is CVE-2008-0900 being exploited?

CVE-2008-0900 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-2008-0900 affect?

CVE-2008-0900 affects weblogic server, weblogic express. Severity is medium (CVSS 6.0). Session fixation vulnerability in BEA WebLogic Server and Express 8.1 SP4 through SP6, 9.2 through MP1, and 10.0 allows remote authenticated users to hijack web sessions via unknown vectors.

How urgent is CVE-2008-0900?

Priority 45/100. EPSS top 4%: very likely to be exploited

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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