Improper authentication in Cisco Identity Services Engine
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Identity Services Engine | Cisco Identity Services Engine | — | No fix listed | CNA |
- Cisco Identity Services Engine Vendor— Affected Cisco Identity Services Engine Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12316
- 2026-10-03 Alias added: GHSA-7vjf-xjh9-p8c2
References
More Cisco Identity Services Engine Software vulnerabilities
- TI-2015-05310 The Admin portal in Cisco Identity Services Engine (ISE) 1.1.x, 1.2.0 before patch 17… CVSS 3.0CRITICAL 9.8
- TI-2011-02916 Cisco Identity Services Engine (ISE) before 1.0.4.MR2 has default Oracle database… CVSS 2.0HIGH 10.0
- TI-2013-04723 The web framework in Cisco Identity Services Engine (ISE) 1.0 and 1.1.0 before… CVSS 2.0HIGH 9.0
- TI-2018-00372 Cross-site request forgery in Cisco Identity Services Engine unknown CVSS 3.0HIGH 8.8
- TI-2017-02932 SQL injection in Cisco Identity Services Engine CVSS 3.0HIGH 8.8
- TI-2016-01293 The Active Directory (AD) integration component in Cisco Identity Service Engine (ISE)… CVSS 3.0HIGH 7.5
Sources
- CVE-2017-12316 · CVE Program
- CVE-2017-12316 · NVD
- FIRST EPSS
- GHSA-7vjf-xjh9-p8c2 · GitHub Advisory Database · CC BY 4.0
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