The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.2 through 3.17 contains multiple vulnerabilities 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. Only traffic directed to an affected system can be used to exploit these vulnerabilities. The vulnerabilities are due to a buffer overflow condition in the SNMP subsystem of the affected software. The vulnerabilities affect all versions of SNMP: Versions 1, 2c, and 3. To exploit these vulnerabilities via SNMP Version 2c or earlier, the attacker must know the SNMP read-only community string for the affected system. To exploit these vulnerabilities via SNMP Version 3, the attacker must have user credentials for the affected system. All devices that have enabled SNMP and have not explicitly excluded the affected MIBs or OIDs should be considered vulnerable. Cisco Bug IDs: CSCve60402.
Published 2017-07-17 21:29:00
Updated 2019-10-09 23:28:58
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

CVE-2017-6737 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA 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.
Added on 2022-03-03 Action due date 2022-03-24

Exploit prediction scoring system (EPSS) score for CVE-2017-6737

Probability of exploitation activity in the next 30 days: 0.80%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 79 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-6737

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
9.0
HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
nvd@nist.gov
8.8
HIGH CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
nvd@nist.gov

CWE ids for CVE-2017-6737

References for CVE-2017-6737

Products affected by CVE-2017-6737

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