Resource exhaustion in Cisco iOS Software
CVE-2018-15377
A vulnerability in the Cisco Network Plug and Play agent, also referred to as the Cisco Open Plug-n-Play agent, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. The vulnerability is due to insufficient input validation by the affected software. An attacker could exploit this vulnerability by sending invalid data to the Cisco Network Plug and Play agent on an affected device. A successful exploit could allow the attacker to cause a memory leak on the affected device, which could cause the device to reload.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Cisco iOS Software
- Cisco iOS — versions denali-16.3.6, everest-16.5.1, 15.7(3.1s)m
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926… (vendor-advisory, Vendor Advisory)
- ics-cert.us-cert.gov/advisories/ICSA-19-094-02 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-15377?
- CVE-2018-15377 is a high-severity vulnerability in Cisco iOS Software, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2018-10-05.
- How severe is CVE-2018-15377?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2018-15377 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.