9.8

CVE-2023-34034: vmware spring_security Improper Preservation of Permissions

CVSS: 9.8v3.1CriticalModified
AliasesGHSA-3h6f-g5f3-gc4w
Published 19-07-2023Last modified 01-05-2026
Open JSON

Vulnerability summary

CVE-2023-34034 is a critical (CVSS 9.8) Improper Preservation of Permissions vulnerability in vmware spring_security. EPSS estimates a 4.11% chance of exploitation in the next 30 days, higher than 90.6% 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
4.11%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-07-2023
    PublishedVulnerability first disclosed.
  2. 01-05-2026
    Last modifiedVulnerability information updated.

Description

Using "**" as a pattern in Spring Security configuration for WebFlux creates a mismatch in pattern matching between Spring Security and Spring WebFlux, and the potential for a security bypass.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

4.11%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

+0.13 pp

From 3.98% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.11%

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

Org.springframework.security1 product
  • spring-security-config≥ 5.6.0, < 5.6.12 | ≥ 5.7.0, < 5.7.10 | ≥ 5.8.0, < 5.8.5 | ≥ 6.0.0, < 6.0.5 | ≥ 6.1.0, < 6.1.2
Vmware1 product
  • spring_security≥ 5.6.0, < 5.6.12 | ≥ 5.7.0, < 5.7.10 | ≥ 5.8.0, < 5.8.5 | ≥ 6.0.0, < 6.0.5 | ≥ 6.1.0, < 6.1.2

2 vendors · 2 products

References

6 links