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proxygen

Vendor: proxygen_project

Actively Exploited 1 CISA KEV List
PoC / Exploits 1 Code Available
Total RCEs 1 Remote Access
Total CVEs 53 Total Indexed
Avg. EPSS 8.22% Exploit Prob.
Latest CVE CVE-2025-55181 Dec 02

Security Vulnerability Index

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9.8 CVSS

The SPDY/2 codec in Facebook Proxygen before 2015-11-09 truncates a certain field to two bytes, which allows hijacking and injection attacks.

EPSS: 0.49%
7.5 CVSS

The SPDY/2 codec in Facebook Proxygen before 2015-11-09 allows remote attackers to conduct hijacking attacks and bypass ACL checks via a crafted host value.

EPSS: 0.35%