9

CVE-2021-20026: sonicwall network_security_manager OS Command Injection

CVSS: 9.0v2.0HighModified
Published 27-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20026 is a high (CVSS 9.0) OS Command Injection vulnerability in sonicwall network_security_manager. EPSS estimates a 11.64% chance of exploitation in the next 30 days, higher than 96% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
11.64%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

11.64%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 11.64% on 18-09-2026

18-09-202618-10-2026
EPSS score
11.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sonicwall2 products

1 vendor · 2 products

References

1 links