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Case File

CVE-2021-21511

HIGH · CVSS 8.1 EPSS 1.01% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-15 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. 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.

Detected Signals
exploit

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

CVE
CVE-2021-21511
Severity
HIGH
CVSS
8.1
EPSS
1.01%

Original NVD Description

Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.

Related CVEs

Other vulnerabilities affecting the same vendor(s)