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CVE-2015-0286

24
FAUCET Score

CVE-2015-0286 is a denial-of-service vulnerability affecting OpenSSL versions prior to 0.9.8zf, 1.0.0r, 1.0.1m, and 1.0.2a. It stems from improper boolean-type comparisons within the ASN1_TYPE_cmp function, allowing remote attackers to crash applications via a crafted X.509 certificate during certificate verification. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, leading to an application crash. While there is no known active exploitation or public exploit code, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.8zeCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*
1.0.0aCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*
1.0.0bCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:*
1.0.0cCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
20.71%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2071 is in the 97th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Text-Only JBCS
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssl-1:1.0.1e-42.el7_1.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Storage 2.1Fixed in: openssl-0:1.0.1e-30.el6_6.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssl-0:1.0.1e-30.el6_6.7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Virtualization 3Fixed in: mingw-virt-viewer
redhatno patchvia redhat_api
Product: Red Hat JBoss Enterprise Web Server 3Fixed in: openssl
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 1Fixed in: openssl

Vendor Advisories (1)

redhatCVE-2015-0286Moderate

openssl: invalid pointer use in ASN1_TYPE_cmp()

Mar 19, 2015

References

kb.juniper.net / InfoCenter/index
lists.apple.com / archives/security-announce/2015/Jun/msg00002.html
lists.apple.com / archives/security-announce/2015/Sep/msg00001.html
lists.apple.com / archives/security-announce/2015/Sep/msg00008.html
lists.fedoraproject.org / pipermail/package-announce/2015-March/152733.html
lists.fedoraproject.org / pipermail/package-announce/2015-March/152734.html
lists.fedoraproject.org / pipermail/package-announce/2015-March/152844.html
lists.fedoraproject.org / pipermail/package-announce/2015-May/156823.html
lists.fedoraproject.org / pipermail/package-announce/2015-May/157177.html
lists.opensuse.org / opensuse-security-announce/2015-03/msg00022.html
lists.opensuse.org / opensuse-security-announce/2015-03/msg00027.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00037.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00011.html
lists.opensuse.org / opensuse-updates/2015-03/msg00062.html
marc.info
marc.info
marc.info
marc.info
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2015-0715.html
rhn.redhat.com / errata/RHSA-2015-0716.html
rhn.redhat.com / errata/RHSA-2015-0752.html
rhn.redhat.com / errata/RHSA-2016-2957.html
access.redhat.com / articles/1384453
bto.bluecoat.com / security-advisory/sa92
bugzilla.redhat.com / show_bug.cgi
cert-portal.siemens.com / productcert/pdf/ssa-412672.pdf
git.openssl.org
kc.mcafee.com / corporate/index
support.apple.com / HT205212
support.apple.com / HT205267
support.citrix.com / article/CTX216642
support.apple.com / kb/HT204942
freebsd.org / security/advisories/FreeBSD-SA-15%3A06.openssl.asc
openssl.org / news/secadv_20150319.txt
Vendor Advisory
debian.org / security/2015/dsa-3197
fortiguard.com / advisory/2015-03-24-openssl-vulnerabilities-march-2015
mandriva.com / security/advisories
mandriva.com / security/advisories
oracle.com / technetwork/security-advisory/cpujul2017-3236622.html
oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html
oracle.com / technetwork/security-advisory/cpuoct2017-3236626.html
oracle.com / technetwork/topics/security/bulletinapr2015-2511959.html
oracle.com / technetwork/topics/security/bulletinjan2015-2370101.html
oracle.com / technetwork/topics/security/cpujan2016-2367955.html
oracle.com / technetwork/topics/security/cpujul2015-2367936.html
oracle.com / technetwork/topics/security/cpuoct2015-2367953.html
securityfocus.com / bid/73225
securitytracker.com / id/1031929
securitytracker.com / id/1032917
ubuntu.com / usn/USN-2537-1