cve.bz

CVE-2009-3555

9.8 criticalEPSS 87%

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
87% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWEs
CWE-295, CWE-300
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-f7w7-6pjc-wwm6Mavenorg.apache.tomcat:tomcat>=7.0.0 <7.0.107.0.10
GHSA-f7w7-6pjc-wwm6Mavenorg.apache.tomcat:tomcat>=6.0.0 <6.0.326.0.32
GHSA-f7w7-6pjc-wwm6Mavenorg.apache.tomcat:tomcat>=5.0.0 <5.5.335.5.33

References

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