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).

Published: 2016-11-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-6453 is rated Moderate Risk (51.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.10%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-6453

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.27% 1.10% +0.83%
2 2025-03-30 0.53% 0.27% -0.26%
3 2025-03-29 0.53%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-6453

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.3 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.1 5.2 [email protected]
4.9 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
6.8 4.9 [email protected]

Weakness enumeration for CVE-2016-6453

Affected software / configurations for CVE-2016-6453

Vendor Product Version Raw CPE
cisco identity_services_engine 1.3\(0.876\) cpe:2.3:a:cisco:identity_services_engine:1.3\(0.876\):*:*:*:*:*:*:*

References for CVE-2016-6453

cvelogic Threat Intelligence