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CVE-2021-27877

HIGHCISA KEV

8.2

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.18.2

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/1/2021

Ultima modificacion11/3/2025

Fuentekev

Avistamientos honeypot0

CISA KEV

VendedorVeritas

ProductoBackup Exec Agent

Nombre vulnerabilidadVeritas Backup Exec Agent Improper Authentication Vulnerability

Fecha inclusion KEV2023-04-07

Fecha limite remediacion2023-04-28

Uso en ransomwareKnown

Productos afectados

veritas:backup_exec

Referencias

http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html(cve@mitre.org)

https://www.veritas.com/content/support/en_US/security/VTS21-001#issue1(cve@mitre.org)

http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.veritas.com/content/support/en_US/security/VTS21-001#issue1(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27877(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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