EN

CVE-2024-20356

High
8.7
0.05.010.0
Year
2024
Published
Apr 24, 2024
Known Affected Devices
0
CVSS Score
8.7

What is CVE-2024-20356?

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker with Administrator-level privileges to perform command injection attacks on an affected system and elevate their privileges to root. This vulnerability is due to insufficient user input validation. An attacker could exploit this vulnerability by sending crafted commands to the web-based management interface of the affected software. A successful exploit could allow the attacker to elevate their privileges to root.

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
AV
Attack Vector
Network

Exploitable remotely over the network without requiring access to the local system.

AC
Attack Complexity
Low

No special conditions required. Exploit can be performed reliably and repeatedly.

PR
Privileges Required
High

Administrative or root-level privileges required to exploit.

UI
User Interaction
None

No user interaction required. Exploit runs without any victim action.

S
Scope
Changed

Exploiting the vulnerability can affect other components beyond the vulnerable one.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
High

Complete loss of integrity. Attacker can modify any file or data on the component.

A
Availability Impact
None

No availability impact. Service remains fully operational.

Known Affected Devices

Cisco Cisco ASR 1001-HX Cisco Cisco ASR 9912 Cisco Cisco Catalyst 3650-24TS-L Cisco Cisco Catalyst 9300-24P Cisco Cisco Nexus 7004 Cisco Cisco Nexus 7009 Cisco Cisco Nexus 9504 Cisco Cisco Firepower 1010 Cisco Cisco Firepower 1120 Cisco Cisco Firepower 1140 Cisco Cisco Firepower 1150 Cisco Cisco Firepower 2140 Cisco Cisco Firepower 4110 Cisco Cisco Firepower 4125 Cisco Cisco Firepower 4145 Cisco Cisco Aironet 3802I Cisco Cisco Catalyst 9120AXI Cisco Cisco Catalyst 9800-80 Cisco Cisco Meraki MS390-48U

FAQ

How severe is CVE-2024-20356?

CVE-2024-20356 has a CVSS score of 8.7/10, rated as High. This is a high severity vulnerability and should be patched as soon as possible.

What does the CVSS score mean for CVE-2024-20356?

CVSS (Common Vulnerability Scoring System) rates vulnerability severity from 0.0 to 10.0. CVE-2024-20356 scores 8.7/10 (High). Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and below 4.0 are Low.

Which devices are affected by CVE-2024-20356?

The list of devices confirmed to be affected by CVE-2024-20356 is shown in the "Affected Devices" section above. Check your firmware version against the vendor security advisory and apply the latest patch.

How do I fix or mitigate CVE-2024-20356?

Apply the latest firmware or software update from the vendor. Check the References section above for official advisories and patch notes. If no patch is available, consider disabling the affected feature or isolating the device from untrusted networks.