Privilege escalation in Cisco IOS XE Software

Published: 2024-03-28

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2024-20278
CWE-ID	CWE-184
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Cisco IOS XE Operating systems & Components / Operating system
Vendor	Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incomplete List of Disallowed Inputs

EUVDB-ID: #VU87889

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20278

CWE-ID: CWE-184 - Incomplete List of Disallowed Inputs

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improper validation of user supplied input. A remote administrator can send specially crafted input over NETCONF and elevate privileges from administrator to root.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: 17.9.2 - 17.11.1

External links

http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-priv-esc-seAx6NLX

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.