CVE-2020-5138

moderate-risk
Published 2020-10-12

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.

Do I need to act?

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0.50% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Sonicwall

References (2)

Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0013
Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0013
37
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 9/34 · Low