VDB-241336 · CVE-2023-26236 · wgsa-2023-00004

WatchGuard EDPR 8.0.21.0002 on Windows Message Local Privilege Escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in WatchGuard EDPR 8.0.21.0002 on Windows and classified as problematic. The impacted element is an unknown function of the component Message Handler. Executing a manipulation can lead to an unknown weakness. This vulnerability is handled as CVE-2023-26236. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in WatchGuard EDPR 8.0.21.0002 on Windows. This vulnerability affects an unknown code of the component Message Handler. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in WatchGuard EPDR 8.0.21.0002. Due to a weak implementation of message handling between WatchGuard EPDR processes, it is possible to perform a Local Privilege Escalation on Windows by sending a crafted message to a named pipe.

The weakness was released 10/05/2023 as wgsa-2023-00004. The advisory is shared for download at watchguard.com. This vulnerability was named CVE-2023-26236 since 02/20/2023. There are neither technical details nor an exploit publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30061). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

WatchGuard

Name

EDPR

Version

8.0.21.0002

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/2023 🔍
10/05/2023 +226 days 🔍
10/05/2023 +0 days 🔍
11/07/2025 +764 days 🔍

Sourcesinfo

Advisory: wgsa-2023-00004
Status: Confirmed

CVE: CVE-2023-26236 (🔍)
GCVE (CVE): GCVE-0-2023-26236
GCVE (VulDB): GCVE-100-241336
EUVD: 🔍

Entryinfo

Created: 10/05/2023 08:00
Updated: 11/07/2025 08:51
Changes: 10/05/2023 08:00 (38), 09/20/2024 18:14 (26), 11/07/2025 08:51 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.