Resource exhaustion in N/a

CVE-2024-30156

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.037 (89.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-30156: held from 0.037 to 0.037.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-30156?
CVE-2024-30156 is a high-severity vulnerability in N/a, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-03-24.
How severe is CVE-2024-30156?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-30156 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.