Improper input validation in Cisco Ios And Xe
CVE-2018-0173
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets could allow an unauthenticated, remote attacker to cause an affected device to…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.054 (90.3th percentile) — read the EPSS interpretation.
Affected products
- N/a Cisco Ios And Xe — versions Cisco IOS and IOS XE
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
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328… (x_refsource_CONFIRM)
- 103545 (vdb-entry, x_refsource_BID)
- ics-cert.us-cert.gov/advisories/ICSA-18-107-04 (x_refsource_MISC)
- www.tenable.com/security/research/tra-2018-06 (x_refsource_MISC)
- 1040591 (vdb-entry, x_refsource_SECTRACK)
- ics-cert.us-cert.gov/advisories/ICSA-18-107-05 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-0173?
- CVE-2018-0173 is a vulnerability in Cisco Ios And Xe, classified under Improper Input Validation. Published 2018-03-28.
- Is CVE-2018-0173 known to be exploited?
- Yes. CVE-2018-0173 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.