Buffer overflow in Cisco Asr_9001
CVE-2018-0167
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 s…
Vulnerability class: Buffer Overflow
EPSS: 0.034 (87.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Asr_9001
- Cisco Asr_9006
- Cisco Asr_9010
- Cisco Asr_9904
- Cisco Asr_9906
- Cisco Asr_9910
- Cisco Asr_9912
- Cisco Asr_9922
- Cisco Ios — versions 5.2.0.base
- Cisco Ios_xe — versions 5.2.0.base
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-0167?
- CVE-2018-0167 is a high-severity vulnerability in Cisco Asr_9001, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2018-03-28.
- How severe is CVE-2018-0167?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-0167 known to be exploited?
- Yes. CVE-2018-0167 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.