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CVE-2017-6744

Cisco IOS Software SNMP Remote Code Execution Vulnerability

Cisco IOS softwareOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)7.29%Chance of exploitation activity in the next 30 days, higher than 94% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline24 Mar 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 17 Jul 2017, 21:00 UTCPublishedCVE List
  2. 3 Mar 2022Added to CISA KEVCISA KEV

Description

The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 1 contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6.

Text from CVE List

Affected versions 31

  • IOSaffected: 12.1(3)XICVE List
  • IOSaffected: 12.2(1b)DACVE List
  • IOSaffected: 12.2(5)DACVE List
  • IOSaffected: 12.2(7)DACVE List
  • IOSaffected: 12.2(12)DACVE List
  • IOSaffected: 12.2(10)DA5CVE List
  • IOSaffected: 12.2(12)DA10CVE List
  • IOSaffected: 12.2(10)DACVE List
  • IOSaffected: 12.2(12)DA1CVE List
  • IOSaffected: 12.2(12)DA6CVE List
  • IOSaffected: 12.2(10)DA8CVE List
  • IOSaffected: 12.2(12)DA8CVE List
  • IOSaffected: 12.2(12)DA11CVE List
  • IOSaffected: 12.2(12)DA9CVE List
  • IOSaffected: 12.2(12)DA4CVE List
  • IOSaffected: 12.2(10)DA3CVE List
  • IOSaffected: 12.2(5)DA1CVE List
  • IOSaffected: 12.2(12)DA13CVE List
  • IOSaffected: 12.2(12)DA12CVE List
  • IOSaffected: 12.2(12)DA7CVE List
  • IOSaffected: 12.2(1b)DA1CVE List
  • IOSaffected: 12.2(10)DA1CVE List
  • IOSaffected: 12.2(10)DA6CVE List
  • IOSaffected: 12.2(10)DA4CVE List
  • IOSaffected: 12.2(12)DA2CVE List
  • IOSaffected: 12.2(12)DA3CVE List
  • IOSaffected: 12.2(10)DA2CVE List
  • IOSaffected: 12.2(12)DA5CVE List
  • IOSaffected: 12.2(10)DA7CVE List
  • IOSaffected: 12.2(10)DA9CVE List
  • Universal Productaffected: N/ACVE List

References 3