CVE-2020-18458: Cross Site Request Forgery (CSRF) vulnerability exists in DamiCMS v6.0.6 that can add an admin account via adm

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HIGH 8.0DOWNGRADE

CVE-2020-18458 is a high-severity flaw (CVSS 8.0) affecting damicms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgery (CSRF) vulnerability exists in DamiCMS v6.0.6 that can add an admin account via admin.php?s=/Admin/doadd.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.0 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-08-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: damicms

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

Am I affected?

Timeline

2021-08-12 19:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

damicms damicms DOWNGRADE

Affected: 6.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0.6

1. Check installed version

apt-cache policy damicms || rpm -q damicms || damicms --version

2. No fixed release: DOWNGRADE to a release before 6.0.6 (Debian / Ubuntu)

apt-cache madison damicms sudo apt install damicms=<VERSION_BEFORE_6.0.6> sudo apt-mark hold damicms

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

dnf --showduplicates list damicms sudo dnf downgrade damicms-<VERSION_BEFORE_6.0.6> sudo dnf versionlock add damicms

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-2020-18458?

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

Is CVE-2020-18458 being exploited?

CVE-2020-18458 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-2020-18458 affect?

CVE-2020-18458 affects damicms. Severity is high (CVSS 8.0). Cross Site Request Forgery (CSRF) vulnerability exists in DamiCMS v6.0.6 that can add an admin account via admin.php?s=/Admin/doadd.

How urgent is CVE-2020-18458?

Priority 43/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-21236 HIGH 8.8 DOWNGRADE A vulnerability in /damicms-master/admin.php?s=/Article/doedit of DamiCMS v6.0 allows attackers to compromise
CVE-2020-18451 MEDIUM 4.8 DOWNGRADE Cross Site Scripting (XSS) vulnerability exists in DamiCMS v6.0.6 via the title parameter in the doadd functio

References

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