Auth bypass in Cisco Identity Services Engine
CVE-2016-1402
The Active Directory (AD) integration component in Cisco Identity Service Engine (ISE) before 1.2.0.899 patch 7, when AD group-membership authorization is enabled, allows remote attackers to cause a denial of service (authentication outage) via a crafted Password Authentication Protocol (PAP) authentication request, aka Bug ID CSCun25815.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Cisco Identity Services Engine
- Cisco Identity Services Engine Software — versions 1.2.0.899
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1035946 (vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160517… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-1402?
- CVE-2016-1402 is a high-severity vulnerability in Cisco Identity Services Engine, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-05-21.
- How severe is CVE-2016-1402?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-1402 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.