What is CVE-2020-5143?

CVE-2020-5143 is a medium-severity vulnerability in Sonicwall Sonicos, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-10-12.

How severe is CVE-2020-5143?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Sonicwall Sonicos

CVE-2020-5143

SonicOS SSLVPN login page allows a remote unauthenticated attacker to perform firewall management administrator username enumeration based on the server responses. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6…

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Sonicwall Sonicos — versions SonicOS 5.9.1.13-5n and earlier, SonicOS 6.5.4.7-79n and earlier, 7.0.0.0
Sonicwall Sonicosv

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-5143?: CVE-2020-5143 is a medium-severity vulnerability in Sonicwall Sonicos, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-10-12.
How severe is CVE-2020-5143?: Medium severity. CVSS v3 base score is 5.3 out of 10.