Is CVE-2017-12316 in the CISA KEV catalog?

No. CVE-2017-12316 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-12316?

CVE-2017-12316 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-12316?

CVE-2017-12316 has an EPSS score of 2.03% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2017-12316?

No published fix for CVE-2017-12316 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2017-12316

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

A vulnerability in the Guest Portal login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit. The vulnerability is due to insufficient server-side login attempt limit enforcement. An attacker could exploit this vulnerability by sending modified login attempts to the Guest Portal login page. An exploit could allow the attacker to perform brute-force password attacks on the ISE Guest Portal. Cisco Bug IDs: CSCve98518.

CWE-287Improper Authentication CWE-307

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

2.03%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.