AUGUST 5, 2026
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Case File

CVE-2021-40857

HIGH · CVSS 8.8 EPSS 2.03% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

External Security References

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

CVE
CVE-2021-40857
Severity
HIGH
CVSS
8.8
EPSS
2.03%

Original NVD Description

Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.

Related CVEs

Other vulnerabilities affecting the same vendor(s)