HOMEVULNERABILITIESCVE-2014-8421
HIGH

CVE-2014-8421

CWE-264Published: April 12, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 allow remote attackers to gain super-user privileges by leveraging SSH access and incorrect ownership of (1) ConfigureCoreFile.sh, (2) Traceroute.sh, (3) apps.sh, (4) conversion_java2native.sh, (5) coreCompression.sh, (6) deletePasswd.sh, (7) findHealthSvcFDs.sh, (8) fw_printenv.sh, (9) fw_setenv.sh, (10) hw_wd_kicker.sh, (11) new_rootfs.sh, (12) opera_killSnmpd.sh, (13) opera_startSnmpd.sh, (14) rebootOperaSoftware.sh, (15) removeLogFiles.sh, (16) runOperaServices.sh, (17) setPasswd.sh, (18) startAccTestSvcs.sh, (19) usbNotification.sh, or (20) appWeb in /Opera_Deploy.

NVD Source

Technical Analysis

CVE-2014-8421 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

atos3 product(s)
openscape desk phone ip 35gopenscape desk phone ip 35g ecoopenscape desk phone ip 55g
unify5 product(s)
openstage sipopenstage 20openstage 40openstage 60openscape desk phone ip sip
Source: NVD CPE · 8 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

ADVISORYhttps://networks.unify.com/security/advisories/OBSO-1501-02.pdf
ADVISORYhttps://www.modzero.ch/advisories/MZ-14-02-Siemens-Unify-OpenStage.txt
ADVISORYhttps://networks.unify.com/security/advisories/OBSO-1501-02.pdf
ADVISORYhttps://www.modzero.ch/advisories/MZ-14-02-Siemens-Unify-OpenStage.txt

All References (4)

→
https://networks.unify.com/security/advisories/OBSO-1501-02.pdfMitigation · Vendor Advisory
→
https://www.modzero.ch/advisories/MZ-14-02-Siemens-Unify-OpenStage.txtThird Party Advisory
→
https://networks.unify.com/security/advisories/OBSO-1501-02.pdfMitigation · Vendor Advisory
→
https://www.modzero.ch/advisories/MZ-14-02-Siemens-Unify-OpenStage.txtThird Party Advisory

Quick Facts

CVE IDCVE-2014-8421
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-264
CISA KEVNo
Affected2 vendor(s)
PublishedApr 12, 2018

Related CVEs (CWE-264)

CVE-2006-0697
10.0
CVE-2004-2689
10.0
CVE-2003-1495
10.0
CVE-2003-1346
10.0
CVE-2003-1081
10.0
CVE-2007-1045
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2014-8421 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.
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