CVE-2007-0938: Microsoft Content Management Server (MCMS) 2001 SP1 and 2002 SP2 does not properly handle certain characters i

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HIGH 10.0WATCHLISTDOWNGRADE

CVE-2007-0938 is a high-severity flaw (CVSS 10.0) affecting content management server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Microsoft Content Management Server (MCMS) 2001 SP1 and 2002 SP2 does not properly handle certain characters in a crafted HTTP GET request, which allows remote attackers to execute arbitrary code, aka the "CMS Memory Corruption Vulnerability."

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
On your watchlist

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	45.6% (top 1%)
CISA exploited list	No
Published	2007-04-10
Last modified	2026-06-16

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

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

Am I affected?

Timeline

2007-04-10 21:19 UTCPublished CVE record published
2026-06-16 22:36 UTCUpdated Record last modified

microsoft content management server DOWNGRADE

Affected: 2001 sp1 · 2002 sp2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2001

1. Check installed version

apt-cache policy content-management-server || rpm -q content-management-server || content-management-server --version

2. No fixed release: DOWNGRADE to a release before 2001 (Debian / Ubuntu)

apt-cache madison content-management-server sudo apt install content-management-server=<VERSION_BEFORE_2001> sudo apt-mark hold content-management-server

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

dnf --showduplicates list content-management-server sudo dnf downgrade content-management-server-<VERSION_BEFORE_2001> sudo dnf versionlock add content-management-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-2007-0938?

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

Is CVE-2007-0938 being exploited?

CVE-2007-0938 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-2007-0938 affect?

CVE-2007-0938 affects content management server. Severity is high (CVSS 10.0). Microsoft Content Management Server (MCMS) 2001 SP1 and 2002 SP2 does not properly handle certain characters in a crafted HTTP GET request, which allows remote attackers to execute arbitrary code, aka the "CMS Memory Corruption Vulnerabilit

How urgent is CVE-2007-0938?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; On your watchlist

Related CVEs

CVE-2007-0939 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Microsoft Content Management Server (MCMS) 2001 SP1 and 2002 SP2 a
CVE-2006-6388 MEDIUM 6.8 MITIGATE Cross-site scripting (XSS) vulnerability in naprednaPretraga.php in LINK Content Management Server (CMS) allow
CVE-2003-0002 MEDIUM 6.8 DOWNGRADE Cross-site scripting vulnerability (XSS) in ManualLogin.asp script for Microsoft Content Management Server (MC
CVE-2002-0719 HIGH 7.5 DOWNGRADE SQL injection vulnerability in the function that services for Microsoft Content Management Server (MCMS) 2001
CVE-2002-0718 HIGH 7.5 DOWNGRADE Web authoring command in Microsoft Content Management Server (MCMS) 2001 allows attackers to authenticate and

References

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