7.5

CVE-2025-30347: varnish-software varnish_enterprise Out-of-bounds Read

CVSS: 7.5v3.1HighAnalyzed
Published 21-03-2025Last modified 21-03-2025

Vulnerability summary

CVE-2025-30347 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in varnish-software varnish_enterprise. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.3% 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
0.35%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-03-2025
    PublishedVulnerability first disclosed.
  2. 21-03-2025
    Last modifiedVulnerability information updated.

Description

Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.01 pp

From 0.34% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.35%

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

Varnish-software1 product
  • varnish_enterprise≥ 6, < 6.0.13r13 | 6.0.13:r10 | 6.0.13:r11 | 6.0.13:r12 | 6.0.13:r2 | 6.0.13:r3 | 6.0.13:r4 | 6.0.13:r5 | 6.0.13:r6 | 6.0.13:r7 | 6.0.13:r8 | 6.0.13:r9

1 vendor · 1 product

References

1 links