Vulnerability · Published Dec 8, 2021 · Assigned by sonicwall
CVE-2021-20045
Critical 9.8
In plain English
A critical-severity buffer overflow in SonicWall SMA100 from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 25.2% (higher than 98% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)25.2%top 2.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SonicWall | SonicWall SMA100 | 10.2.0.8-37sv and earlier10.2.1.1-19sv and earlier10.2.1.2-24sv and earlier |
Weakness: CWE-120
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 x_refsource_CONFIRM