What’s Vulnerable › Vulnerabilities

CVE-2017-12316

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-16 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Cisco Identity Services Engine unknown: 2.1(0.229)

References

• http://www.securityfocus.com/bid/101931
• http://www.securitytracker.com/id/1039830
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ise
• http://www.securityfocus.com/bid/101931
• http://www.securitytracker.com/id/1039830
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ise

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