Back to Database
Status published
High
CVE-2009-0653
OpenSSL, probably 0.9.6, does not verify the Basic Constraints for...
Vulnerability Description
OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack, a related issue to CVE-2002-0970.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2009-0653
Credits & Attribution
No credits recorded in the NVD database.
References
More from openssl
View All →CVE-2016-7055
There is a carry propagating bug in the Broadwell-specific Montgomery...
Medium
5.9
CVE-2016-6309
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after...
Critical
9.8
CVE-2016-6308
statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a...
Medium
5.9
CVE-2016-6307
The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory...
Medium
5.9
CVE-2016-6306
The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before...
Medium
5.9
Affected Vendor
openssl
View all reports →Affected Software
openssl
Vulnerable Versions:
0.9.6
Timeline
Official Publish:
February 20th, 2009
Last Modified:
September 16th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.