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CVE-2025-47905: Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the...
5.4
CVSS
Description
Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.
Classification
CVE ID: CVE-2025-47905
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.4
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected Products
Vendor: n/a
Product: n/a
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 9.19% (scored less or equal to compared to others)
EPSS Date: 2025-06-11 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-47905https://varnish-cache.org/security/VSV00016.html