#VU48455 Deserialization of Untrusted Data


Published: 2020-11-17 | Updated: 2020-11-17

Vulnerability identifier: #VU48455

Vulnerability risk: High

CVSSv3: 9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-27131

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software: Cisco Security Manager
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to multiple vulnerabilities in the Java deserialization function. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco Security Manager: 4.0, 4.0.1, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7(0), 4.21, 4.22

CPE

External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csm-java-rce-mWJEedcD
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu99974
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv79824


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability