PT-2019-1708 · Cisco · Cisco Ios Xe

Published 2019-03-27 · Updated 2019-10-09 · CVE-2019-1756

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)

Description A vulnerability in Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands on the underlying Linux shell of an affected device with root privileges. The vulnerability occurs because the affected software improperly sanitizes user-supplied input. An attacker who has valid administrator access to an affected device could exploit this vulnerability by supplying a username with a malicious payload in the web UI and subsequently making a request to a specific endpoint in the web UI. A successful exploit could allow the attacker to run arbitrary commands as the root user, allowing complete compromise of the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2019-01320

CVE-2019-1756

Affected Products

Cisco Ios Xe

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-iosxe-cmdinject · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-1756 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01320 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1756 · Security Note
• http://securityfocus.com/bid/107598 · Note