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CVE-2017-6740

Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability

Cisco IOS and IOS XE SoftwareOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 3 Mar 2022CISA KEV
Exploit odds (EPSS)11.1%Chance of exploitation activity in the next 30 days, higher than 95% 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 and IOS XE 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.

Text from CVE List

Affected versions 31

  • IOSaffected: 12.2(14)ZACVE List
  • IOSaffected: 12.2(14)ZA3CVE List
  • IOSaffected: 12.2(14)ZA2CVE List
  • IOSaffected: 12.2(14)ZA5CVE List
  • IOSaffected: 12.2(14)ZA4CVE List
  • IOSaffected: 12.2(14)ZA6CVE List
  • IOSaffected: 12.2(14)ZA7CVE List
  • IOSaffected: 12.2(25)SE2CVE List
  • IOSaffected: 12.2(29)SV2CVE List
  • IOSaffected: 12.2(17d)SXB6CVE List
  • IOSaffected: 12.2(17d)SXB11CVE List
  • IOSaffected: 12.2(17d)SXB7CVE List
  • IOSaffected: 12.2(17d)SXB4CVE List
  • IOSaffected: 12.2(17d)SXB2CVE List
  • IOSaffected: 12.2(17d)SXB3CVE List
  • IOSaffected: 12.2(17d)SXB5CVE List
  • IOSaffected: 12.2(17d)SXB10CVE List
  • IOSaffected: 12.2(17d)SXB8CVE List
  • IOSaffected: 12.2(17d)SXB11aCVE List
  • IOSaffected: 12.2(17d)SXB1CVE List
  • IOSaffected: 12.2(17d)SXB9CVE List
  • IOSaffected: 12.2(18)SO1CVE List
  • IOSaffected: 12.2(18)SO3CVE List
  • IOSaffected: 12.2(18)SO2CVE List
  • IOSaffected: 12.2(18)SXFCVE List
  • IOSaffected: 12.2(18)SXF5CVE List
  • IOSaffected: 12.2(18)SXF6CVE List
  • IOSaffected: 12.2(18)SXF15CVE List
  • IOSaffected: 12.2(18)SXF10CVE List
  • IOSaffected: 12.2(18)SXF17bCVE List
  • Universal Productaffected: N/ACVE List

References 4