What is CVE-2018-0172?

CVE-2018-0172 is a vulnerability in Cisco Ios And Xe, classified under Improper Input Validation. Published 2018-03-28.

Is CVE-2018-0172 known to be exploited?

Yes. CVE-2018-0172 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.

Improper input validation in Cisco Ios And Xe

CVE-2018-0172

A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS)…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.062 (91.0th percentile) — read the EPSS interpretation.

Affected products

N/a Cisco Ios And Xe — versions Cisco IOS and IOS XE

Weakness classification (CWE)

CWE-20 — Improper Input Validation

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. 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: 2022-03-17.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

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)
103552 (vdb-entry, x_refsource_BID)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328… (x_refsource_CONFIRM)
ics-cert.us-cert.gov/advisories/ICSA-18-107-05 (x_refsource_MISC)

Frequently asked questions

What is CVE-2018-0172?: CVE-2018-0172 is a vulnerability in Cisco Ios And Xe, classified under Improper Input Validation. Published 2018-03-28.
Is CVE-2018-0172 known to be exploited?: Yes. CVE-2018-0172 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.