VulnerabilityModified
CVE-2021-20034
An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.
CRITICAL 9.1EPSS 81.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 81.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 81.01% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284, CWE-22
- Affected
- sonicwall/sma 200 firmware · sonicwall/sma 210 firmware · sonicwall/sma 400 firmware · sonicwall/sma 410 firmware · sonicwall/sma 500v
- Source
- PSIRT@sonicwall.com
References
- http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.htmlExploit, Third Party Advisory, VDB Entry
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021Vendor Advisory
- http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.htmlExploit, Third Party Advisory, VDB Entry
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.