How severe is CVE-2016-1389?

CVE-2016-1389 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-1389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1389?

CVE-2016-1389 affects Cisco Webex Meetings Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1389?

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-2016-1389 published?

CVE-2016-1389 was published on 2016-04-28 and last updated on 2026-06-17.

CVE-2016-1389

CVE-2016-1389 is a high-severity vulnerability in Cisco Webex Meetings Server with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 4.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Webex Meetings Server
Published: 2016-04-28
Last modified: 2026-06-17

Description

Open redirect vulnerability in Cisco WebEx Meetings Server (CWMS) 2.6 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors, aka Bug ID CSCuy44695.

Frequently asked questions

What is CVE-2016-1389?: Open redirect vulnerability in Cisco WebEx Meetings Server (CWMS) 2.6 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors, aka Bug ID CSCuy44695.
How severe is CVE-2016-1389?: CVE-2016-1389 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-1389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1389?: CVE-2016-1389 affects Cisco Webex Meetings Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1389?: 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-2016-1389 published?: CVE-2016-1389 was published on 2016-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:webex_meetings_server:2.6.0:*:*:*:*:*:*:*

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