Cisco IOS XE Software Consent Token Bypass Vulnerability
A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system (OS). The vulnerability is due to insufficient enforcement of the consent token in authorizing shell access. An attacker could exploit this vulnerability by authenticating to the CLI and requesting shell access on an affected device. A successful exploit could allow the attacker to gain shell access on the affected device and execute commands on the underlying OS. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iosxe-ctbypass ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iosxe-ctbypass"]
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2019-12671US | high7.8OT elevated | — | ||
A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying o… | ||||
references
External citations — patches, advisories, analysis.
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-iosxe-ctbypassexternal
- Security Vulnerability Policyexternal
- considering software upgradesexternal
- Cisco IOS Software Checkerexternal
- Cisco IOS XE 2 Release Notesexternal
- Cisco IOS XE 3S Release Notesexternal
- Cisco IOS XE 3SG Release Notesexternal
- Cisco Security Advisories and Alerts pageexternal
remediations (5)
- Fixed16.11.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.11.1a
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.2.9SG
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4.5SG
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.4.6SG
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
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