Vulnerability Details : CVE-2011-4354

crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
Published 2012-01-27 00:55:01
Updated 2012-11-06 05:03:38
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2011-4354

Probability of exploitation activity in the next 30 days: 0.64%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 76 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4354

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

CWE ids for CVE-2011-4354

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4354

Products affected by CVE-2011-4354

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