Vulnerability · Published Mar 2, 2023 · Assigned by sonicwall
CVE-2023-0656
High 7.5
In plain English
A high-severity stack buffer overflow in SonicOS from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 41.3% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)41.3%top 1.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Affected products (as reported)
Weakness: CWE-121