CVE-2018-0167
HighActively exploited (CISA KEV)
Description
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Cisco IOS, XR, and XE Software
PublishedMar 28, 2018
First seenMar 28, 2018
Added to KEVMar 3, 2022
Weakness typeCWE-119Memory buffer bounds error
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Mar 17, 2022Update
- cisco ios_xr5.1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios | 5.2.0.base, v ≤ 15.6.3m1, v ≤ 15.2\(6\)e0a, v ≤ 15.2\(4a\)ea5 | — |
| cisco ios_xe | 5.2.0.base, v ≤ 15.6.3m1, v ≤ 15.2\(6\)e0a, v ≤ 15.2\(4a\)ea5 | — |
| cisco ios_xr | 4.1 ≤ v < 5.1.3 | 5.1.3 |
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