AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-40098

CRITICAL · CVSS 9.8 EPSS 1.63%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-27 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-40098
Severity
CRITICAL
CVSS
9.8
EPSS
1.63%

Original NVD Description

An issue was discovered in Concrete CMS through 8.5.5. Path Traversal leading to RCE via external form by adding a regular expression.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-8353 MEDIUM CVE-2026-8347 MEDIUM CVE-2026-8340 MEDIUM CVE-2026-8435 MEDIUM CVE-2026-8434 HIGH CVE-2026-8433 HIGH