Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2009-3555


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 possibly other types of sessions protected by TLS or SSL, by sending an unauthenticated request that is processed retroactively by a server in a post-renegotiation context, related to a "plaintext injection" attack, aka the "Project Mogul" issue.


Security Impact Summary

CVE-2009-3555 is a security vulnerability that . Impacting 8 products from apache, from gnu, from mozilla and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2009-11-09T17:30:00.407

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-295

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache http_server ≤ 2.2.14 Yes
Application gnu gnutls ≤ 2.8.5 Yes
Application mozilla nss ≤ 3.12.4 Yes
Application openssl openssl ≤ 0.9.8k Yes
Application openssl openssl 1.0 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 8.10 Yes
Operating System canonical ubuntu_linux 9.04 Yes
Operating System canonical ubuntu_linux 9.10 Yes
Operating System canonical ubuntu_linux 10.04 Yes
Operating System canonical ubuntu_linux 10.10 Yes
Operating System debian debian_linux 4.0 Yes
Operating System debian debian_linux 5.0 Yes
Operating System debian debian_linux 6.0 Yes
Operating System debian debian_linux 7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System fedoraproject fedora 11 Yes
Operating System fedoraproject fedora 12 Yes
Operating System fedoraproject fedora 13 Yes
Operating System fedoraproject fedora 14 Yes
Application f5 nginx ≤ 0.8.22 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.