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01 Record

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

UnratedPUBLISHEDCNA: sonicwall
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.1% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-12 10:40Z6 YR AGO
Last updated
2024-08-04 08:22Z2 YR AGO
Reserved
2019-12-31
Assigning CNA
sonicwall
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
a4035bada3dce7b1585ce2f8324d6dd982fa36f0ee766f9a4bc12a933a133eaf

05 Affected products

VendorProductVersionsPlatforms
SonicWallSonicOSSonicOS 6.5.4.7-79n and earlier, SonicOS 5.9.1.7-2n and earlier, SonicOS 5.9.1.13-5n and earlier, SonicOS 6.5.1.11-4n and earlier, SonicOS 6.0.5.3-93o and earlier, SonicOSv 6.5.4.4-44v-21-794 and earlier, SonicOS 7.0.0.0-1—

06 References