8.2

CVE-2020-5148: sonicwall directory_services_connector Improper Authentication

CVSS: 8.2v3.1HighModified
Published 05-03-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5148 is a high (CVSS 8.2) Improper Authentication vulnerability in sonicwall directory_services_connector. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.5% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (NVD)
EPSS score
0.89%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-03-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

SonicWall SSO-agent default configuration uses NetAPI to probe the associated IP's in the network, this client probing method allows a potential attacker to capture the password hash of the privileged user and potentially forces the SSO Agent to authenticate allowing an attacker to bypass firewall access controls.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

+0.03 pp

From 0.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sonicwall1 product

1 vendor · 1 product

References

1 links