Notifier Web Server up to 3.50 authentication replay

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Notifier Web Server up to 3.50 (Web Server). It has been classified as critical. This affects an unknown code block. The manipulation with an unknown input leads to a authentication replay vulnerability. CWE is classifying the issue as CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 03/24/2020. This vulnerability is uniquely identified as CVE-2020-6972 since 01/14/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1040 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-152850.





CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: Authentication replay
CWE: CWE-294 / CWE-287

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


01/14/2020 🔍
03/24/2020 +70 days 🔍
03/25/2020 +1 days 🔍
05/11/2024 +1508 days 🔍


Status: Not defined

CVE: CVE-2020-6972 (🔍)
See also: 🔍


Created: 03/25/2020 11:05 AM
Updated: 05/11/2024 12:05 PM
Changes: 03/25/2020 11:05 AM (34), 03/25/2020 11:10 AM (18), 05/11/2024 12:05 PM (17)
Complete: 🔍
Cache ID: 44:193:40


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