Vulnerability Details : 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.
Products affected by CVE-2024-30156
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Exploit prediction scoring system (EPSS) score for CVE-2024-30156
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2024-30156
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-11-21 |
CWE ids for CVE-2024-30156
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The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2024-30156
-
https://varnish-cache.org/security/VSV00014.html
VSV00014 Varnish HTTP/2 Broke Window Attack — Varnish HTTP Cache
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https://varnish-cache.org/docs/7.5/whats-new/changes-7.5.html#security
Changes in Varnish 7.5 — Varnish version 7.5.0 documentation
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