critical
9
CWE
20
Advisory Published
Updated

CVE-2019-1755: Cisco IOS XE Software Command Injection Vulnerability

First published: Thu Mar 28 2019(Updated: )

A vulnerability in the Web Services Management Agent (WSMA) function of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary Cisco IOS commands as a privilege level 15 user. The vulnerability occurs because the affected software improperly sanitizes user-supplied input. An attacker could exploit this vulnerability by submitting crafted HTTP requests to the targeted application. A successful exploit could allow the attacker to execute arbitrary commands on the affected device.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE=3.2.0ja
Cisco IOS XE=3.6.10e
Cisco IOS XE=16.1.1
Cisco IOS XE=16.1.2
Cisco IOS XE=16.1.3
Cisco IOS XE=16.2.1
Cisco IOS XE=16.2.2
Cisco IOS XE=16.3.1
Cisco IOS XE=16.3.1a
Cisco IOS XE=16.3.2
Cisco IOS XE=16.3.3
Cisco IOS XE=16.3.4
Cisco IOS XE=16.3.5
Cisco IOS XE=16.3.5b
Cisco IOS XE=16.3.6
Cisco IOS XE=16.3.7
Cisco IOS XE=16.3.8
Cisco IOS XE=16.4.1
Cisco IOS XE=16.4.2
Cisco IOS XE=16.4.3
Cisco IOS XE=16.5.1
Cisco IOS XE=16.5.1a
Cisco IOS XE=16.5.1b
Cisco IOS XE=16.5.2
Cisco IOS XE=16.5.3
Cisco IOS XE=16.6.1
Cisco IOS XE=16.6.2
Cisco IOS XE=16.6.3
Cisco IOS XE=16.7.1
Cisco IOS XE=16.7.1a
Cisco IOS XE=16.7.1b
Cisco IOS XE=16.8.1
Cisco IOS XE=16.8.1a
Cisco IOS XE=16.8.1b
Cisco IOS XE=16.8.1c
Cisco IOS XE=16.8.1d
Cisco IOS XE=16.8.1e
Cisco IOS XE=16.8.1s
=3.2.0ja
=3.6.10e
=16.1.1
=16.1.2
=16.1.3
=16.2.1
=16.2.2
=16.3.1
=16.3.1a
=16.3.2
=16.3.3
=16.3.4
=16.3.5
=16.3.5b
=16.3.6
=16.3.7
=16.3.8
=16.4.1
=16.4.2
=16.4.3
=16.5.1
=16.5.1a
=16.5.1b
=16.5.2
=16.5.3
=16.6.1
=16.6.2
=16.6.3
=16.7.1
=16.7.1a
=16.7.1b
=16.8.1
=16.8.1a
=16.8.1b
=16.8.1c
=16.8.1d
=16.8.1e
=16.8.1s

Remedy

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-iosxe-cmdinj

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-1755?

    CVE-2019-1755 has a high severity rating due to its ability to allow an authenticated, remote attacker to execute arbitrary Cisco IOS commands.

  • How do I fix CVE-2019-1755?

    To fix CVE-2019-1755, upgrade to a version of Cisco IOS XE that is not affected by this vulnerability.

  • What products are affected by CVE-2019-1755?

    CVE-2019-1755 affects multiple versions of Cisco IOS XE including versions 3.2.0ja, 3.6.10e, and 16.1.x through 16.8.x.

  • What type of vulnerability is CVE-2019-1755?

    CVE-2019-1755 is a command injection vulnerability occurring in the Web Services Management Agent function of Cisco IOS XE.

  • Can CVE-2019-1755 lead to unauthorized access?

    Yes, CVE-2019-1755 could allow an attacker to execute commands with privilege level 15, potentially leading to unauthorized access.

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