Vulnerability · Published Oct 12, 2020 · Assigned by sonicwall
CVE-2020-5138
High 7.5
In plain English
A high-severity heap 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 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.8%top 21.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A Heap Overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to SonicOS crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Affected products (as reported)
Weakness: CWE-122
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0013 x_refsource_CONFIRM