High severity · published Mar 28, 2018
CVE-2018-0167
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
In wildKEV
8.8
CVSS
3.4%
EPSS
Yes
On 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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 3, 2022
Federal remediation dueMar 17, 2022
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
5.2.0.base; through 15.6.3m1; through 15.2\(6\)e0a; through 15.2\(4a\)ea5 · source: NVD
CI
Cisco IOS, IOS XE, and IOS XR ·
Cisco IOS, IOS XE, and IOS XR · source: vendor
IO
Ios · Cisco
5.2.0.base; through 15.6.3m1; through 15.2\(6\)e0a; through 15.2\(4a\)ea5 · source: NVD
IX
Ios XR · Cisco
4.1 before 5.1.3 · source: NVD
IX
IOS, XR, and XE Software · Cisco
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0167
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0167
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_CONFIRM
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
x_refsource_MISC
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
x_refsource_MISC
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
vdb-entry
http://www.securitytracker.com/id/1040586
x_refsource_MISC
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
vdb-entry
http://www.securityfocus.com/bid/103564
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