CVE-2018-15377: cisco cisco ios software Uncontrolled Resource Consumption
Vulnerability summary
CVE-2018-15377 is a high (CVSS 8.6) Uncontrolled Resource Consumption vulnerability in cisco cisco ios software. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.2% of scored vulnerabilities.
Timeline
- 05-10-2018PublishedVulnerability first disclosed.
- 26-11-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.59%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.59% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-401Missing Release of Memory after Effective LifetimeThe product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected systems
Cisco2 products
- cisco ios softwaren/a
- ios15.7\(3.1s\)m | denali-16.3.6 | everest-16.5.1
1 vendor · 2 products
References
2 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-pnp-memleakVendor AdvisoryX Refsource CISCO
- ics-cert.us-cert.gov/advisories/ICSA-19-094-02X Refsource MISCThird Party AdvisoryUS Government Resource