PT-2020-18282 · Sonicwall · Sonicos Gen 7+3

Nikita Abramov · Published 2020-10-12 · Updated 2020-10-23 · CVE-2020-5143

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 The SonicOS SSLVPN login page is affected by an issue that allows a remote unauthenticated attacker to enumerate firewall management administrator usernames based on server responses.

Recommendations For SonicOS Gen 5 versions 5.9.1.7 through 5.9.1.13, update to a version that includes the fix for this issue. For SonicOS Gen 6 versions 6.0.5.3 through 6.5.4.7, update to a version that includes the fix for this issue. For SonicOSv version 6.5.4.v, update to a version that includes the fix for this issue. For SonicOS Gen 7 version 7.0.0.0, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the SSLVPN login page to minimize the risk of exploitation.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2020-5143

Affected Products

Sonicos Gen 5

Sonicos Gen 6

Sonicos Gen 7

Sonicos

References · 3

• https://osv.dev/vulnerability/CVE-2020-5143 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-5143 · Security Note
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0018 · Vendor Advisory