9.8

CVE-2023-31424: broadcom brocade_sannav Authentication Bypass by Spoofing

CVSS: 9.8v3.1CriticalModified
Published 31-08-2023Last modified 13-02-2025

Vulnerability summary

CVE-2023-31424 is a critical (CVSS 9.8) Authentication Bypass by Spoofing vulnerability in broadcom brocade_sannav. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-08-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

Brocade SANnav Web interface before Brocade SANnav v2.3.0 and v2.2.2a allows remote unauthenticated users to bypass web authentication and authorization.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.90%

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

Broadcom1 product
Brocade1 product
  • sannavBrocade SANnav before Brocade SANnav v2.3.0 and v2.2.2a

2 vendors · 2 products

References

2 links