Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).
Severity
5.8MEDIUM
EPSS
2.3%
top 15.30%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Timeline
PublishedNov 9
Latest updateMay 2

Description

The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l, GnuTLS 2.8.5 and earlier, Mozilla Network Security Services (NSS) 3.12.4 and earlier, multiple Cisco products, and other products, does not properly associate renegotiation handshakes with an existing connection, which allows man-in-the-middle attackers to insert data into HTTPS sessions, and po

CVSS vector

AV:N/AC:M/C:N/I:P/A:PExploitability: 8.6 | Impact: 4.9

Affected Packages13 packages

NVDapache/http_server2.2.14
Mavenorg.apache.tomcat:tomcat7.0.07.0.10+2
Debianapache2< 2.2.14-2+3
Debianopenssl< 0.9.8k-6+3
Debianlighttpd< 1.4.30-1+3

Also affects: Fedora 11, 12, 13, 14, Debian Linux 4.0, 5.0, 6.0, 7.0, 8.0, Ubuntu Linux 10.04, 10.10, 8.04, 8.10, 9.04, 9.10

Patches

🔴Vulnerability Details

5
OSV
Apache Tomcat affected by vulnerability in TLS and SSL protocol2022-05-02
GHSA
Apache Tomcat affected by vulnerability in TLS and SSL protocol2022-05-02
CVEList
CVE-2009-3555: The TLS protocol, and the SSL protocol 32009-11-09
OSV
CVE-2009-3555: The TLS protocol, and the SSL protocol 32009-11-09
VulnCheck
Apache HTTP Server Improper Certificate Validation2009

💥Exploits & PoCs

2
Exploit-DB
TLS - Renegotiation2009-12-21
Exploit-DB
Mozilla NSS - NULL Character CA SSL Certificate Validation Security Bypass2009-11-10

📋Vendor Advisories

13
Ubuntu
OpenJDK vulnerabilities2010-10-28
Ubuntu
OpenSSL vulnerability2010-09-21
Ubuntu
Apache vulnerability2010-09-21
Ubuntu
NSS vulnerability2010-07-23
Ubuntu
nss vulnerability2010-06-29

💬Community

2
Bugzilla
qpid-cpp: SSL Broker vulnerable to RC4 and Secure Client-Initiated Renegotiation (CVE-2009-3555)2016-04-13
Bugzilla
CVE-2009-3555 TLS: MITM attacks via session renegotiation2009-11-05
CVE-2009-3555 (MEDIUM CVSS 5.8) | The TLS protocol | cvebase.io