Skip to main content

Honeywell CVE-2020-6972

CRITICAL
Authentication Bypass by Capture-replay (CWE-294)
2020-03-24 ics-cert@hq.dhs.gov
Honeywell Authentication Bypass Notifier Webserver
9.1
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Mar 24, 2020 - 17:15 nvd
CRITICAL 9.1

DescriptionNVD

In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server’s authentication may be bypassed by a capture-replay attack from a web browser.

AnalysisAI

In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server’s authentication may be bypassed by a capture-replay attack from a web browser. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-294. In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server’s authentication may be bypassed by a capture-replay attack from a web browser. Affected products include: Honeywell Notifier Webserver. Version information: Version 3.50.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Honeywell

View all
CVE-2013-0108 MEDIUM POC
6.8 Feb 24

An ActiveX control in HscRemoteDeploy.dll in Honeywell Enterprise Buildings Integrator (EBI) R310, R400.2, R410.1, and R
CVE-2015-0984 CRITICAL POC
10.0 Mar 31

Directory traversal vulnerability in the FTP server on Honeywell Excel Web XL1000C50 52 I/O, XL1000C100 104 I/O, XL1000C
CVE-2023-3710 CRITICAL POC
9.8 Sep 12

Improper Input Validation vulnerability in Honeywell PM43 on 32 bit, ARM (Printer web page modules) allows Command Injec
CVE-2017-14263 HIGH
8.1 Sep 11

Honeywell NVR devices allow remote attackers to create a user account in the admin group by leveraging access to a guest
CVE-2017-5671 HIGH POC
8.8 Mar 29

Honeywell Intermec PM23, PM42, PM43, PC23, PC43, PD43, and PC42 industrial printers before 10.11.013310 and 10.12.x befo
CVE-2014-8269 HIGH
7.5 Dec 13

Multiple stack-based buffer overflows in (1) HWOPOSScale.ocx and (2) HWOPOSSCANNER.ocx in Honeywell OPOS Suite before 1.
CVE-2025-2605 CRITICAL
9.9 May 02

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Honeywell MB
CVE-2026-3611 CRITICAL
10.0 Mar 12

Unauthenticated access to Honeywell IQ4x building controller HMI. CVSS 10.0.
CVE-2017-5140 CRITICAL
9.8 Feb 13

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-
CVE-2017-5139 CRITICAL
9.8 Feb 13

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-
CVE-2023-25178 CRITICAL
9.8 Jul 13

Controller may be loaded with malicious firmware which could enable remote code execution. Rated critical severity (CVSS
CVE-2022-30318 CRITICAL
9.8 Aug 31

Honeywell ControlEdge through R151.1 uses Hard-coded Credentials. Rated critical severity (CVSS 9.8), this vulnerability

Same weakness CWE-294 – Authentication Bypass by Capture-replay

View all
CVE-2017-3191 CRITICAL
9.8
CVE-2017-6823 HIGH POC
8.8
CVE-2023-1886 CRITICAL POC
9.8
CVE-2023-1537 CRITICAL POC
9.8
CVE-2022-29334 CRITICAL POC
9.8
CVE-2021-27289 CRITICAL POC
9.1
CVE-2022-31277 HIGH POC
8.8
CVE-2022-31265 HIGH POC
8.8

Same technique Authentication Bypass

View all
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
9.8
CVE-2017-10271 HIGH POC
7.5
CVE-2015-1427 CRITICAL POC
9.8
CVE-2025-3248 CRITICAL POC
9.8

Share

CVE-2020-6972 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy