CVE-2023-5970 Auth bypass in SMA100
Remote authenticated attackers can bypass MFA by creating duplicate external domain users with accent characters in SonicWall SMA100 SSL-VPN.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-5970?
CVE-2023-5970 is a high-severity authentication bypass vulnerability in SonicWall SMA100, published on 5 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resulting in an MFA bypass.
Weakness: CWE-287
Which versions are affected by CVE-2023-5970?
It affects 5 products.
Products include Sonicwall Sma 200 Firmware, Sonicwall Sma 210 Firmware, Sonicwall Sma 400 Firmware, Sonicwall Sma 410 Firmware, Sonicwall Sma 500v Firmware.
How do I fix CVE-2023-5970?
No fix has been published for CVE-2023-5970 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-5970 being exploited?
There is no known exploitation of CVE-2023-5970 in the wild and no public exploit code.
Other vulnerabilities in SonicWall SMA100
- CVE-2021-20038 SonicWall SMA 100 Appliances Stack-Based Buffer Overflow
- CVE-2023-44221 SonicWall SMA100 Appliances OS Command Injection
- CVE-2021-20035 SonicWall SMA100 Appliances OS Command Injection
- CVE-2022-22273 Command injection in SonicWall SRA/SMA100
- CVE-2021-20042 Server-side request forgery in SonicWall SMA100
Sources
Also known as GHSA-8w95-32fx-8c6h.