RCE in SonicWall Network Security Manager
CVE-2021-20026
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.116 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.116 · newest: 0.116 · change: 0.000
Affected products
- SonicWall Network Security Manager — versions 2.2.0
- SonicWall Nsm On-Prem — versions NSM On-Prem 2.2.0-R10 and earlier
Weakness classification (CWE)
References
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0014 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20026?
- CVE-2021-20026 is a high-severity vulnerability in SonicWall Network Security Manager, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-05-27.
- How severe is CVE-2021-20026?
- High severity. CVSS v3 base score is 8.8 out of 10.