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CVE-2015-8251

Published: Sep 25, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
1.3%
Top 33.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

OpenStage 60 and OpenScape Desk Phone IP 55G SIP V3, OpenStage 15, 20E, 20 and 40 and OpenScape Desk Phone IP 35G SIP V3, OpenScape Desk Phone IP 35G Eco SIP V3, OpenStage 60 and OpenScape Desk Phone IP 55G HFA V3, OpenStage 15, 20E, 20, and 40 and OpenScape Desk Phone IP 35G HFA V3, and OpenScape Desk Phone IP 35G Eco HFA V3 use non-unique X.509 certificates and SSH host keys.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

openstage 60 firmwareunify
On-prem
Communications / voip-telephony
openscape desk phone ip 55g sip firmwareunify
On-prem
Communications / voip-telephony
openstage 15 firmwareunify
On-prem
Communications / voip-telephony
openstage 20e firmwareunify
On-prem
Communications / voip-telephony
openstage 20 firmwareunify
On-prem
Communications / voip-telephony
unifycommercialCommunications
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://www.kb.cert.org/vuls/id/566724
kb.cert.org
https://networks.unify.com/security/advisories/OBSO-1511-02-A.pdf
networks.unify.com
https://networks.unify.com/security/advisories/OBSO-1511-02.pdf
networks.unify.com
and 1 more references View all →

Timeline

Published
Sep 25, 2017
Last Updated
May 13, 2026

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