CVE-2014-8422

Name: CVE-2014-8422
Creator: NVD / NIST
Published: 2018-04-12T21:29:00.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.63%

Last modified Jun 17, 2026

CVE-2014-8422 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The web-based management (WBM) interface in Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 generates session cookies with insufficient entropy, which makes it easier for remote attackers to hijack sessions via a brute-force attack.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

Description

The web-based management (WBM) interface in Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 generates session cookies with insufficient entropy, which makes it easier for remote attackers to hijack sessions via a brute-force attack.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.63%

73.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-331

Affected Software

Vendor	Product	Versions
Unify	Openstage Sip	< r3.32.0
Unify	Openscape Desk Phone Ip Sip	< r3.32.0

References

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

Timeline

Published: Apr 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8422?

How severe is CVE-2014-8422?

CVE-2014-8422 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8422?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8422?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST