What is CVE-2017-12237?

CVE-2017-12237 is a vulnerability in Cisco Ios And Xe, classified under CWE-399. Published 2017-09-28.

Is CVE-2017-12237 known to be exploited?

Yes. CVE-2017-12237 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.

Vulnerability in Cisco Ios And Xe

CVE-2017-12237

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS 15.0 through 15.6 and Cisco IOS XE 3.5 through 16.5 could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a…

EPSS: 0.093 (92.9th percentile) — read the EPSS interpretation.

Affected products

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

Weakness classification (CWE)

CWE-399

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: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927… (x_refsource_CONFIRM)
1039460 (vdb-entry, x_refsource_SECTRACK)
101037 (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2017-12237?: CVE-2017-12237 is a vulnerability in Cisco Ios And Xe, classified under CWE-399. Published 2017-09-28.
Is CVE-2017-12237 known to be exploited?: Yes. CVE-2017-12237 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.