7.5

CVE-2021-20050: sonicwall sma_100_firmware Improper Access Control

CVSS: 7.5v3.1HighModified
Published 23-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20050 is a high (CVSS 7.5) Improper Access Control vulnerability in sonicwall sma_100_firmware. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.93%
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. 23-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessible without a user login, potentially exposing configuration meta-data.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.93%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

+0.03 pp

From 0.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.93%

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

Sonicwall7 products

1 vendor · 7 products

References

1 links