CVE-2017-12316: cisco identity_services_engine_software Improper Authentication
Vulnerability summary
CVE-2017-12316 is a high (CVSS 7.5) Improper Authentication vulnerability in cisco identity_services_engine_software. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.
Timeline
- 16-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.03%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.03% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
- CWE-307Improper Restriction of Excessive Authentication AttemptsThe product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
Affected systems
Cisco1 product
- identity_services_engine_software2.1\(0.229\)
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-iseX Refsource CONFIRMVendor Advisory