onyx

onyx --cves cve-2009-3555

CVE-2009-3555

CRITKEVPOCnginx
score
<0.1
cvss
9.8
epss
87.3%
published
2009-11-09
kev added
2009-11-18
first seen

Multiple products including IIS 7.0, Apache 2.2.14, OpenSSL before 0.9.8l, GnuTLS 2.8.5, NSS 3.12.4, and Cisco products contain a TLS/SSL renegotiation vulnerability caused by improper association of renegotiation handshakes with existing connections, letting man-in-the-middle attackers inject data into sessions, exploit requires attacker to perform man-in-the-middle attack.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2009-11-09 — PublishedP2009-11-18 — Added to CISA KEVK2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoC: https://www.exploit-db.com/exploits/10579Xscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 87.3%2026-09-23: epss 87.3%2026-09-24: epss 87.3%2026-09-25: epss 87.3%2026-09-26: epss 87.3%2026-09-27: epss 87.3%2026-09-28: epss 87.3%2026-09-29: epss 87.3%2026-09-30: epss 87.3%2026-10-01: epss 87.3%2026-10-02: epss 87.3%2026-10-03: epss 87.3%2026-10-04: epss 87.3%2026-10-05: epss 87.3%2026-10-06: epss 87.3%2026-10-07: epss 87.3%2026-10-08: epss 87.3%2026-10-09: epss 87.3%2026-10-10: epss 87.3%2026-10-11: epss 87.3%2026-10-12: epss 87.3%2026-10-13: epss 87.3%2026-10-14: epss 87.3%2026-10-15: epss 87.3%2026-10-16: epss 87.3%2026-10-18: epss 87.3%2026-10-19: epss 87.3%2026-10-20: epss 87.3%2026-10-21: epss 87.3%87.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx
  4. Public PoC https://www.exploit-db.com/exploits/10579

Exploit availability

Weaknesses

CWE-295 CWE-300

References 74

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