Cisco Security Manager Java Deserialization (cisco-sa-csm-java-rce-mWJEedcD)

critical Nessus Plugin ID 153258


The remote device is missing a vendor-supplied security patch.


A remote code execution vulnerability exists in Cisco Security Manager due to insecure deserialization of user-supplied content. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvu99974, CSCvv79824

See Also

Plugin Details

Severity: Critical

ID: 153258

File Name: cisco-sa-csm-java-rce-mWJEedcD.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 9/14/2021

Updated: 12/5/2022

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-27131


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:security_manage

Required KB Items: installed_sw/Cisco Security Manager

Exploit Ease: No known exploits are available

Patch Publication Date: 11/16/2020

Vulnerability Publication Date: 11/16/2020

Reference Information

CVE: CVE-2020-27131

CISCO-BUG-ID: CSCvu99974, CSCvv79824

CISCO-SA: cisco-sa-csm-java-rce-mWJEedcD

IAVA: 2020-A-0535

CEA-ID: CEA-2020-0136

CWE: 20