CVE-2020-3512 — Uncontrolled Resource Consumption in Cisco IOS

CWE-388CWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
7.4HIGHNVD
EPSS
0.1%
top 72.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOSCisco IOS XE
Timeline
PublishedSep 24
Latest updateMay 24

Description

A vulnerability in the PROFINET handler for Link Layer Discovery Protocol (LLDP) messages of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a crash on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of LLDP messages in the PROFINET LLDP message handler. An attacker could exploit this vulnerability by sending a malicious LLDP message to an affected device. A successfu…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 2.8 | Impact: 4.0

Affected Packages2 packages

▶NVDcisco/ios_xe15.2\(7\)e
▶CVEListV5cisco/cisco_iosn/a

🔴Vulnerability Details

2
GHSA
GHSA-wpq7-84wh-58gv: A vulnerability in the PROFINET handler for Link Layer Discovery Protocol (LLDP) messages of Cisco IOS Software and Cisco IOS XE Software could allow↗2022-05-24
▶
CVEList
Cisco IOS and IOS XE Software PROFINET Link Layer Discovery Protocol Denial of Service Vulnerability↗2020-09-24
▶

📋Vendor Advisories

1
Cisco
Cisco IOS and IOS XE Software PROFINET Link Layer Discovery Protocol Denial of Service Vulnerability↗2020-09-24
▶
CVE-2020-3512 — Uncontrolled Resource Consumption | cvebase