CVE-2020-5136 — Classic Buffer Overflow in Sonicos

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 45.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Sonicwall SonicosSonicwall Sonicosv
Timeline
PublishedOct 12
Latest updateMay 24

Description

A buffer overflow vulnerability in SonicOS allows an authenticated attacker to cause Denial of Service (DoS) in the SSL-VPN and virtual assist portal, which leads to a firewall 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 7.0.0.0.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶NVDsonicwall/sonicosv6.5.4.4
▶NVDsonicwall/sonicos6.0.0.0 — 6.0.5.3+4
▶CVEListV5sonicwall/sonicos7 versions+6

🔴Vulnerability Details

2
GHSA
GHSA-85r9-8q36-5hm5: A buffer overflow vulnerability in SonicOS allows an authenticated attacker to cause Denial of Service (DoS) in the SSL-VPN and virtual assist portal,↗2022-05-24
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CVEList
CVE-2020-5136: A buffer overflow vulnerability in SonicOS allows an authenticated attacker to cause Denial of Service (DoS) in the SSL-VPN and virtual assist portal,↗2020-10-12
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CVE-2020-5136 — Classic Buffer Overflow in Sonicos | cvebase