CVE-2018-18941: In Vignette Content Management version 6, it is possible to gain remote access to administrator privileges by

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-18941 is a critical-severity flaw (CVSS 9.8) affecting content management. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Vignette Content Management version 6, it is possible to gain remote access to administrator privileges by discovering the admin password in the vgn/ccb/user/mgmt/user/edit/0,1628,0,00.html?uid=admin HTML source code, and then creating a privileged user account. NOTE: this product is discontinued.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-200
Published	2019-01-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: vignette

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-01-31 19:29 UTCPublished CVE record published
2026-06-17 01:48 UTCUpdated Record last modified

vignette content management DOWNGRADE

Affected: 6

Fixed in: no fixed release known

Safe to downgrade to: a release before 6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6 (Debian / Ubuntu)

apt-cache madison content-management sudo apt install content-management=<VERSION_BEFORE_6> sudo apt-mark hold content-management

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

dnf --showduplicates list content-management sudo dnf downgrade content-management-<VERSION_BEFORE_6> sudo dnf versionlock add content-management

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-2018-18941?

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

Is CVE-2018-18941 being exploited?

CVE-2018-18941 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-2018-18941 affect?

CVE-2018-18941 affects content management. Severity is critical (CVSS 9.8). In Vignette Content Management version 6, it is possible to gain remote access to administrator privileges by discovering the admin password in the vgn/ccb/user/mgmt/user/edit/0,1628,0,00.html?uid=admin HTML source code, and then creating a

How urgent is CVE-2018-18941?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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