CVE-2021-20045 in sonicwall sma 200 firmware
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
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 software: sonicwall sma 200 firmware, sonicwall sma 210 firmware, sonicwall sma 410 firmware, sonicwall sma 400 firmware, sonicwall sma 500v firmware
Scores
- CVSS: 9.8 (critical)
- EPSS: 25.21% chance of exploitation in the next 30 days
- CISA KEV: Not listed
- Published: 2021-12-08
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): No
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
We build every detection with great care, but no two environments are the same. Log sources, parsing and configuration differ, so test a detection in your own environment before you rely on it.