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Case File

CVE-2021-27817

CRITICAL · CVSS 9.8 EPSS 3.23% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-15 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-27817
Severity
CRITICAL
CVSS
9.8
EPSS
3.23%

Original NVD Description

A remote command execution vulnerability in shopxo 1.9.3 allows an attacker to upload malicious code generated by phar where the suffix is JPG, which is uploaded after modifying the phar suffix.

Related CVEs

Other vulnerabilities affecting the same vendor(s)