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CVE-2015-1794

16
FAUCET Score

CVE-2015-1794 describes a denial-of-service vulnerability in OpenSSL versions prior to 1.0.2e. A remote server can trigger a segmentation fault by sending a malformed anonymous Diffie-Hellman ServerKeyExchange message with a zero 'p' value. This vulnerability has a CVSS score of 5.0, indicating a medium severity, as it can be exploited remotely with low attack complexity to cause a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.2CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*
1.0.2aCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*
1.0.2bCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*
1.0.2cCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*
1.0.2dCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*

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
4.98%
Probability of exploitation in next 30 days
EPSS Percentile
91.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0498 is in the 88th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2015-1794Low

OpenSSL: Anon DH ServerKeyExchange with 0 p parameter

Dec 4, 2015

References

fortiguard.com / advisory/openssl-advisory-december-2015
kb.juniper.net / InfoCenter/index
kb.juniper.net / InfoCenter/index
lists.opensuse.org / opensuse-security-announce/2016-03/msg00009.html
openssl.org / news/secadv/20151203.txt
Vendor Advisory
cert-portal.siemens.com / productcert/pdf/ssa-412672.pdf
git.openssl.org
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
oracle.com / technetwork/security-advisory/cpuapr2016v3-2985753.html
securitytracker.com / id/1034294
slackware.com / security/viewer.php
ubuntu.com / usn/USN-2830-1