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CVE Record

CVE-2018-0160: A vulnerability in Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow...

A vulnerability in Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper management of memory resources, referred to as a double free. An attacker could exploit this vulnerability by sending crafted SNMP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. To exploit this vulnerability via SNMP Version 2c or earlier, the attacker must know the SNMP read-only community string for an affected system. To exploit this vulnerability via SNMP Version 3, the attacker must know the user credentials for the affected system. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, have been configured to be queried over SNMP, and have Network Address Translation (NAT) enabled. Cisco Bug IDs: CSCve75818.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-0160 can make some Cisco IOS XE devices crash and reload when a remote authenticated party sends crafted SNMP traffic. Business impact is network availability, not data theft. Exposure is limited to vulnerable IOS XE releases with SNMP query access configured and NAT enabled. Most likely exposed assets are Cisco IOS XE routers or switches running vulnerable releases, configured for SNMP queries, and using NAT. Internet or broad internal SNMP reachability increases operational risk. Treat as a targeted availability risk for network infrastructure. Prioritize externally reachable or broadly reachable SNMP-enabled Cisco IOS XE devices, especially where outages would affect customer traffic or core operations. Mitigation focus: Check Cisco advisory guidance for affected and fixed IOS XE releases.; Upgrade vulnerable IOS XE devices according to Cisco guidance where applicable.; Restrict SNMP query access to trusted management networks..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2018-0160 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCisco IOS XECisco IOS XEListed
Weakness

CWE details

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CWE-415 · source CWE mapping

Double Free

Double Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.