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.
Published 2009-11-09 17:30:00
Updated 2023-02-13 02:20:28
Source Red Hat, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2009-3555

Top countries where our scanners detected CVE-2009-3555
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-3555 239,033
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-3555!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-3555

Probability of exploitation activity in the next 30 days: 0.25%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-3555

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.8
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:P
8.6
4.9
NIST

CWE ids for CVE-2009-3555

Vendor statements for CVE-2009-3555

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