How severe is CVE-2014-8422?

CVE-2014-8422 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-8422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8422?

CVE-2014-8422 primarily affects Unify Openstage Sip. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8422?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-8422 published?

CVE-2014-8422 was published on 2018-04-12 and last updated on 2026-06-17.

CVE-2014-8422

CVE-2014-8422 is a high-severity vulnerability in Unify Openstage Sip with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-331
Affected product: Unify Openstage Sip
Published: 2018-04-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2014-8422?: 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.
How severe is CVE-2014-8422?: CVE-2014-8422 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-8422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8422?: CVE-2014-8422 primarily affects Unify Openstage Sip. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-8422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-8422 published?: CVE-2014-8422 was published on 2018-04-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:unify:openstage_sip:*:*:*:*:*:*:*:*
cpe:2.3:a:unify:openscape_desk_phone_ip_sip:*:*:*:*:*:*:*:*

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CVE-2014-8421 — High (CVSS 7.5): Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 allow remote attackers to…
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