HIGH
CVE-2016-7797
CWE-254Published: March 24, 2017· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
Pacemaker before 1.1.15, when using pacemaker remote, might allow remote attackers to cause a denial of service (node disconnection) via an unauthenticated connection.
Technical Analysis
CVE-2016-7797 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
clusterlabs1 product(s)
pacemaker
openSUSE1 product(s)
leap
opensuse_project1 product(s)
leap
Red Hat2 product(s)
enterprise linux high availabilityenterprise linux resilient storage
SUSE2 product(s)
linux enterprise high availabilitylinux enterprise software development kit
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://bugs.clusterlabs.org/show_bug.cgi?id=5269Issue Tracking · Vendor Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00038.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00001.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-updates/2016-12/msg00077.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2016-2578.htmlThird Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/10/01/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/93261Third Party Advisory · VDB Entry
→
https://github.com/ClusterLabs/pacemaker/commit/5ec24a2642bd0854b884d1a9b51d12371373b410Patch · Third Party Advisory
→
http://bugs.clusterlabs.org/show_bug.cgi?id=5269Issue Tracking · Vendor Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00038.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00001.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-updates/2016-12/msg00077.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2016-2578.htmlThird Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/10/01/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/93261Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2016-7797
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-254
CISA KEVNo
Affected5 vendor(s)
PublishedMar 24, 2017
Related CVEs (CWE-254)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-7797 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.