Cisco Unified Communications and Contact Center Solutions Vulnerability: Arbitrary Code Execution

CVE-2024-20253

10CRITICAL

Key Information

Vendor
Cisco
Status
Cisco Unified Contact Center Enterprise
Cisco Unity Connection
Cisco Unified Communications Manager
Cisco Unified Contact Center Express
Vendor
CVE Published:
26 January 2024

Badges

📈 Trended📈 Score: 4,840👾 Exploit Exists📰 News Worthy

What is CVE-2024-20253?

CVE-2024-20253 is a critical vulnerability affecting multiple products within Cisco's Unified Communications and Contact Center Solutions. This vulnerability allows unauthorized remote attackers to execute arbitrary code on impacted devices, introducing severe risks for organizations using these systems. Given that these solutions are integral for communication and customer support functions, the ability for an attacker to execute arbitrary commands could lead to significant disruption in services, unauthorized access to sensitive information, and compromise of the integrity of organizational operations.

Technical Details

The vulnerability arises from improper handling of user-provided data, which is subsequently read into memory without adequate validation. Attackers can exploit this flaw by crafting and sending a specifically designed message to a listening port on the affected devices. Successful exploitation grants the attacker command execution capabilities within the context of the web services user, potentially enabling them to gain root access to the underlying operating system. This level of access can have dire implications as it allows full control over the affected device.

Impact of the Vulnerability

  1. Unauthorized Access: Exploiting this vulnerability can lead to unauthorized access to the affected system, enabling attackers to manipulate or exfiltrate sensitive organizational data.

  2. Service Disruption: With the ability to execute arbitrary commands, attackers can disrupt or disable critical communication services. This could severely hinder an organization's ability to operate, especially during peak communication periods.

  3. Widespread Compromise: Given the extensive deployment of Cisco's Unified Communications solutions, a successful exploit could lead to widespread compromise across multiple affected installations, potentially facilitating further attacks and lateral movement within organizational networks.

Affected Version(s)

Cisco Unified Contact Center Enterprise =

Cisco Unity Connection = 12.0(1)SU1

Cisco Unity Connection = 12.0(1)SU2

News Articles

favicon imageCyberIQs

How To Fix CVE-2024-20253 In Cisco Products – CyberIQs

Identified as CVE-2024-20253, a new critical Remote Code Execution (RCE) vulnerability has been revealed, posing a significant threat to Cisco Unified

11 months ago

favicon imageOP Innovate

Unmasking CVE-2024-20253 - Critical-Risk RCE Vulnerability in Cisco Unified Communications Systems - OP INNOVATE

The critical flaw CVE-2024-20253 in Cisco's systems presents a severe threat, allowing unauthenticated remote code execution. With a high severity score, it impacts multiple Cisco products, necessitating immediate patch application or, alternatively, the implementation of ACLs for interim protection

11 months ago

favicon imagePicus Security

CVE-2024-20253: Cisco Unified Comms Remote Code Execution Vulnerability

A critical remote code execution vulnerability was found in Cisco Unified Comms products. Check out this blog to learn about Cisco CVE-2024-20253 vulnerability.

11 months ago

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • 📈

    Vulnerability started trending

  • Vulnerability published

  • 📰

    First article discovered by Penetration Testing

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database9 News Article(s)
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