9.8
CRITICAL
CVE-2020-6959
Honeywell MAXPRO VMS/NVR Deserialization RCE
Description

The following versions of MAXPRO VMS and NVR, MAXPRO VMS:HNMSWVMS prior to Version VMS560 Build 595 T2-Patch, HNMSWVMSLT prior to Version VMS560 Build 595 T2-Patch, MAXPRO NVR: MAXPRO NVR XE prior to Version NVR 5.6 Build 595 T2-Patch, MAXPRO NVR SE prior to Version NVR 5.6 Build 595 T2-Patch, MAXPRO NVR PE prior to Version NVR 5.6 Build 595 T2-Patch, and MPNVRSWXX prior to Version NVR 5.6 Build 595 T2-Patch are vulnerable to an unsafe deserialization of untrusted data. An attacker may be able to remotely modify deserialized data without authentication using a specially crafted web request, resulting in remote code execution.

INFO

Published Date :

Jan. 22, 2020, 3:15 p.m.

Last Modified :

Feb. 5, 2020, 9:49 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-6959 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Honeywell maxpro_nvr_se_firmware
2 Honeywell maxpro_nvr_xe_firmware
3 Honeywell maxpro_nvr_pe_firmware
4 Honeywell mpnvrswxx_firmware
5 Honeywell hnmswvms_firmware
6 Honeywell hnmswvmslt_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-6959.

URL Resource
https://www.us-cert.gov/ics/advisories/icsa-20-021-01 Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-6959 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-6959 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 05, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.us-cert.gov/ics/advisories/icsa-20-021-01 No Types Assigned https://www.us-cert.gov/ics/advisories/icsa-20-021-01 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-502
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:maxpro_nvr_xe_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.6 OR cpe:2.3:h:honeywell:maxpro_nvr_xe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:maxpro_nvr_se_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.6 OR cpe:2.3:h:honeywell:maxpro_nvr_se:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:maxpro_nvr_pe_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.6 OR cpe:2.3:h:honeywell:maxpro_nvr_pe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:mpnvrswxx_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.6 OR cpe:2.3:h:honeywell:mpnvrswxx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:hnmswvms_firmware:*:*:*:*:*:*:*:* versions up to (including) vms560 OR cpe:2.3:h:honeywell:hnmswvms:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:honeywell:hnmswvmslt_firmware:*:*:*:*:*:*:*:* versions up to (including) vms560 OR cpe:2.3:h:honeywell:hnmswvmslt:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-6959 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-6959 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.57 }} 0.41%

score

0.86936

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
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Scope
Confidentiality
Integrity
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