How severe is CVE-2016-6453?

CVE-2016-6453 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-6453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6453?

CVE-2016-6453 affects Cisco Identity Services Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6453?

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-2016-6453 published?

CVE-2016-6453 was published on 2016-11-03 and last updated on 2026-06-17.

CVE-2016-6453

CVE-2016-6453 is a high-severity vulnerability in Cisco Identity Services Engine with a CVSS 3.x base score of 7.3. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 4.9
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Cisco Identity Services Engine
Published: 2016-11-03
Last modified: 2026-06-17

Description

A vulnerability in the web framework code of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary SQL commands on the database. More Information: CSCva46542. Known Affected Releases: 1.3(0.876).

Frequently asked questions

What is CVE-2016-6453?: A vulnerability in the web framework code of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary SQL commands on the database. More Information: CSCva46542. Known Affected Releases: 1.3(0.876).
How severe is CVE-2016-6453?: CVE-2016-6453 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-6453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6453?: CVE-2016-6453 affects Cisco Identity Services Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6453?: 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-2016-6453 published?: CVE-2016-6453 was published on 2016-11-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:identity_services_engine:1.3\(0.876\):*:*:*:*:*:*:*

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