CVE-2005-4514: The encapsulation script mechanism in Webwasher CSM Appliance Suite 5.x uses case-sensitive detection of malic

Routine

MEDIUM 5.0DOWNGRADE

CVE-2005-4514 is a medium-severity flaw (CVSS 5.0) affecting csm appliance suite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The encapsulation script mechanism in Webwasher CSM Appliance Suite 5.x uses case-sensitive detection of malicious tokens, which allows attackers to bypass script detection by using tokens that can be upper or lower case. NOTE: the vendor has stated that this problem could not be reproduced, and has asked the researcher for more information, without a response as of 20060103

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Published	2005-12-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: webwasher

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

Am I affected?

Timeline

2005-12-23 01:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

webwasher csm appliance suite DOWNGRADE

Affected: 5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy csm-appliance-suite || rpm -q csm-appliance-suite || csm-appliance-suite --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison csm-appliance-suite sudo apt install csm-appliance-suite=<VERSION_BEFORE_5.0> sudo apt-mark hold csm-appliance-suite

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

dnf --showduplicates list csm-appliance-suite sudo dnf downgrade csm-appliance-suite-<VERSION_BEFORE_5.0> sudo dnf versionlock add csm-appliance-suite

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-2005-4514?

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

Is CVE-2005-4514 being exploited?

CVE-2005-4514 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-2005-4514 affect?

CVE-2005-4514 affects csm appliance suite. Severity is medium (CVSS 5.0). The encapsulation script mechanism in Webwasher CSM Appliance Suite 5.x uses case-sensitive detection of malicious tokens, which allows attackers to bypass script detection by using tokens that can be upper or lower case. NOTE: the vendor

How urgent is CVE-2005-4514?

Priority 36/100. No elevated risk signals yet.

References

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