CVE-2018-15373: cisco cisco ios software Resource Management Errors
Vulnerability summary
CVE-2018-15373 is a high (CVSS 7.4) Resource Management Errors vulnerability in cisco cisco ios software. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.6% of scored vulnerabilities.
Timeline
- 05-10-2018PublishedVulnerability first disclosed.
- 26-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the implementation of Cisco Discovery Protocol functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to exhaust memory on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper memory handling by the affected software when the software processes high rates of Cisco Discovery Protocol packets that are sent to a device. An attacker could exploit this vulnerability by sending a high rate of Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to exhaust memory on the affected device, resulting in a DoS condition.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.66% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-399Resource Management ErrorsWeaknesses in this category are related to improper management of system resources.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Cisco3 products
- cisco ios softwaren/a
- ios15.5\(3\)s3.16
- ios_xe15.5\(3\)s3.16
1 vendor · 3 products
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cdp-dosVendor AdvisoryX Refsource CISCO
- ics-cert.us-cert.gov/advisories/ICSA-19-094-03X Refsource MISC