Vulnerability Name:

CVE-2017-12316 (CCN-134954)

Assigned:2017-11-15
Published:2017-11-15
Updated:2019-10-09
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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-307
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-12316

Source: BID
Type: Third Party Advisory, VDB Entry
101931

Source: CCN
Type: BID-101931
Cisco Identity Services Engine CVE-2017-12316 Brute Force Authentication Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039830

Source: XF
Type: UNKNOWN
cisco-ise-cve201712316-sec-bypass(134954)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20171115-ise
Cisco Identity Services Engine Guest Portal Login Limit Bypass Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ise

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:identity_services_engine_software:2.1(0.229):*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:identity_services_engine:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco identity services engine software 2.1(0.229)
    cisco identity services engine *