How severe is CVE-2016-6397?

CVE-2016-6397 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6397?

CVE-2016-6397 primarily affects Cisco Ip Interoperability And Collaboration System. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6397?

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

When was CVE-2016-6397 published?

CVE-2016-6397 was published on 2016-10-28 and last updated on 2026-06-17.

CVE-2016-6397

CVE-2016-6397 is a critical-severity vulnerability in Cisco Ip Interoperability And Collaboration System with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Ip Interoperability And Collaboration System
Published: 2016-10-28
Last modified: 2026-06-17

Description

A vulnerability in the interdevice communications interface of the Cisco IP Interoperability and Collaboration System (IPICS) Universal Media Services (UMS) could allow an unauthenticated, remote attacker to modify configuration parameters of the UMS and cause the system to become unavailable. Affected Products: This vulnerability affects Cisco IPICS releases 4.8(1) to 4.10(1). More Information: CSCva46644. Known Affected Releases: 4.10(1) 4.8(1) 4.8(2) 4.9(1) 4.9(2).

Frequently asked questions

What is CVE-2016-6397?: A vulnerability in the interdevice communications interface of the Cisco IP Interoperability and Collaboration System (IPICS) Universal Media Services (UMS) could allow an unauthenticated, remote attacker to modify configuration parameters of the UMS and cause the system to become unavailable. Affected Products: This vulnerability affects Cisco IPICS releases 4.8(1) to 4.10(1). More Information: CSCva46644. Known Affected Releases: 4.10(1) 4.8(1) 4.8(2) 4.9(1) 4.9(2).
How severe is CVE-2016-6397?: CVE-2016-6397 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6397?: CVE-2016-6397 primarily affects Cisco Ip Interoperability And Collaboration System. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-6397 published?: CVE-2016-6397 was published on 2016-10-28 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:cisco:ip_interoperability_and_collaboration_system:4.8\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_interoperability_and_collaboration_system:4.8\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_interoperability_and_collaboration_system:4.9\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_interoperability_and_collaboration_system:4.9\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:ip_interoperability_and_collaboration_system:4.10\(1\):*:*:*:*:*:*:*

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