What is CVE-2020-18890?

CVE-2020-18890 is a critical-severity vulnerability in Puppycms, classified under Improper Preservation of Permissions. CVSS score: 9.8/10. Published 2021-05-06.

How severe is CVE-2020-18890?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Puppycms

CVE-2020-18890

Rmote Code Execution (RCE) vulnerability in puppyCMS v5.1 due to insecure permissions, which could let a remote malicious user getshell via /admin/functions.php.

EPSS: 0.015 (71.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Puppycms — versions 5.1
N/a — versions n/a

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-18890?: CVE-2020-18890 is a critical-severity vulnerability in Puppycms, classified under Improper Preservation of Permissions. CVSS score: 9.8/10. Published 2021-05-06.
How severe is CVE-2020-18890?: Critical severity. CVSS v3 base score is 9.8 out of 10.