CVE-2021-27877
high-risk
Published 2021-03-01
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.
Do I need to act?
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40.7% chance of exploitation in next 30 days
EPSS score — higher than 59% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (5)
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
57
/ 100
high-risk
Severity
28/34 · Critical
Exploitability
24/34 · High
Exposure
5/34 · Minimal