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CVE-2021-27877
HIGHCISA KEV8.2
Description
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.
Details CVE
Score CVSS v3.18.2
SeveriteHIGH
Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Vecteur d'attaqueNETWORK
ComplexiteLOW
Privileges requisNONE
Interaction utilisateurNONE
Publie3/1/2021
Derniere modification11/3/2025
Sourcekev
Observations honeypot0
CISA KEV
FournisseurVeritas
ProduitBackup Exec Agent
Nom vulnerabiliteVeritas Backup Exec Agent Improper Authentication Vulnerability
Date ajout KEV2023-04-07
Date limite remediation2023-04-28
Utilise dans ransomwareKnown
Produits affectes
veritas:backup_exec
References
http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html(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)
Correlations IOC
Aucune correlation enregistree
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