Resource exhaustion in Cisco Identity Services Engine
CVE-2017-6653
A vulnerability in the TCP throttling process for the GUI of the Cisco Identity Services Engine (ISE) 2.1(0.474) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device where the ISE GUI may fail to respond to new or established connection requests. The vulnerability is due to insufficient TCP rate limiting protection on the GUI. An attacker could exploit this vulnerability by sending the affected device a high rate of TCP connections to the GUI. An exploit could allow the attacker to cause the GUI to stop responding while the high rate of connections is in progress. Cisco Bug IDs: CSCvc81803.
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: 0.021 (81.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% 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: 0.021 · change: +0.002
Affected products
- Cisco Identity Services Engine — versions 2.1(0.474), 2.1\(0.474\)
- Cisco Identity Services Engine — versions Cisco Identity Services Engine
Weakness classification (CWE)
References
- www.securityfocus.com/bid/98536 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1038516 (vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6653?
- CVE-2017-6653 is a high-severity vulnerability in Cisco Identity Services Engine, classified under CWE-399. CVSS score: 7.5/10. Published 2017-05-22.
- How severe is CVE-2017-6653?
- High severity. CVSS v3 base score is 7.5 out of 10.