PT-2020-18280 · Sonicwall · Sonicos Gen 7+3

Nikita Abramov · Published 2020-10-12 · Updated 2020-10-23 · CVE-2020-5141

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions SonicOS Gen 5 versions 5.9.1.7 through 5.9.1.13 SonicOS Gen 6 versions 6.0.5.3 through 6.5.4.7 SonicOSv version 6.5.4.v SonicOS Gen 7 version 7.0.0.0

Description A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service.

Recommendations For SonicOS Gen 5 versions 5.9.1.7 through 5.9.1.13, update to a version that is not affected by this issue. For SonicOS Gen 6 versions 6.0.5.3 through 6.5.4.7, update to a version that is not affected by this issue. For SonicOSv version 6.5.4.v, update to a version that is not affected by this issue. For SonicOS Gen 7 version 7.0.0.0, update to a version that is not affected by this issue. As a temporary workaround, consider restricting access to the SSLVPN service until a patch is available.

Fix

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-799

CWE-307

Related Identifiers

CVE-2020-5141

Affected Products

Sonicos Gen 5

Sonicos Gen 6

Sonicos Gen 7

Sonicos

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-5141 · Security Note
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0016 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-5141 · Vendor Advisory
• https://t.me/cibsecurity/15197 · Telegram Post