AUGUST 4, 2026
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Case File

CVE-2021-20045

CRITICAL · CVSS 9.8 EPSS 25.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Its EPSS score suggests a 25.2% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-20045
Severity
CRITICAL
CVSS
9.8
EPSS
25.21%

Original NVD Description

A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

Related CVEs

Other vulnerabilities affecting the same vendor(s)