Vulnerability in Openssl
CVE-2015-1793
The X509_verify_cert function in crypto/x509/x509_vfy.c in OpenSSL 1.0.1n, 1.0.1o, 1.0.2b, and 1.0.2c does not properly process X.509 Basic Constraints cA values during identification of alternative certificate chains, which allows remote…
EPSS: 0.763 (99.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Openssl — versions 1.0.1n, 1.0.1o, 1.0.2b
- Oracle Jd_edwards_enterpriseone_tools — versions 9.1, 9.2
- Oracle Opus_10g_ethernet_switch_family
- Oracle Supply_chain_products_suite — versions 6.1.2.2, 6.1.3.0, 6.2.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- SSRT102180 (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- 1032817 (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_CONFIRM)
- GLSA-201507-15 (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- 20150710 OpenSSL Alternative Chains Certificate Forgery Vulnerability (July 2015) Affecting Cisco Products (x_refsource_CISCO, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2015-1793?
- CVE-2015-1793 is a medium-severity vulnerability in Openssl, classified under CWE-254. CVSS score: 6.5/10. Published 2015-07-09.
- How severe is CVE-2015-1793?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2015-1793 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.