Skip to page content

AEGLIX MIND

Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2021-27877

HIGH · CVSS 8.2 · Analyzed

Published: 2021-03-01 · Updated: 2026-06-17 · Source: NVD

Vulnerability overview

An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands.

Severity and scoring

CVSS score
8.2 · HIGH
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Weaknesses
NVD-CWE-noinfo

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Veritas · Backup Exec Agent
Added to catalog
2023-04-07
Required action
Apply updates per vendor instructions.
CISA remediation due date
2023-04-28

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:veritas:backup_exec:*:*:*:*:*:*:*:*

    Before (exclusive): 21.2

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

Back to CVE intelligence