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8.8
HIGH CVSS 3.1
CVE-2023-2374
Ubiquiti EdgeRouter X Web Management command injection
Overview
Description

A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation of the argument ecn-down results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The existence of this vulnerability is still disputed at present. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Details
INFO

Published Date :

April 28, 2023, 3:15 p.m.

Last Modified :

July 9, 2026, 3:16 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2023-2374 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 Ui er-x_firmware
2 Ui er-x-sfp_firmware
3 Ui edgerouter_x_firmware
4 Ui er-x
5 Ui er-x-sfp
: Total Affected Vendor : 1 | Products : 5
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 2.0 HIGH [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
References
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-2023-2374.

URL Resource
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/6 Exploit Third Party Advisory
https://vuldb.com/cve/CVE-2023-2374
https://vuldb.com/submit/114075
https://vuldb.com/vuln/227650
https://vuldb.com/vuln/227650/cti
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/6 Exploit Third Party Advisory
https://vuldb.com/?ctiid.227650 Permissions Required Third Party Advisory
https://vuldb.com/?id.227650 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-2374 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-2023-2374 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-6: Argument Injection Argument Injection CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-34: HTTP Response Splitting HTTP Response Splitting CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-83: XPath Injection XPath Injection CAPEC-84: XQuery Injection XQuery Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-105: HTTP Request Splitting HTTP Request Splitting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-250: XML Injection XML Injection CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-273: HTTP Response Smuggling HTTP Response Smuggling CAPEC-15: Command Delimiters Command Delimiters CAPEC-40: Manipulating Writeable Terminal Devices Manipulating Writeable Terminal Devices CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-75: Manipulating Writeable Configuration Files Manipulating Writeable Configuration Files CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-136: LDAP Injection LDAP Injection CAPEC-183: IMAP/SMTP Command Injection IMAP/SMTP Command Injection CAPEC-248: Command Injection Command Injection

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-2023-2374 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-2374 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]

    Jul. 09, 2026

    Action Type Old Value New Value
    Added Tag disputed
    Changed Description A vulnerability has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6 and classified as critical. This vulnerability affects unknown code of the component Web Management Interface. The manipulation of the argument ecn-down leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-227650 is the identifier assigned to this vulnerability. A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation of the argument ecn-down results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The existence of this vulnerability is still disputed at present. The vendor position is that post-authentication issues are not accepted as vulnerabilities.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Removed CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:M/C:C/I:C/A:C)
    Removed CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-74
    Added Reference https://vuldb.com/cve/CVE-2023-2374
    Added Reference https://vuldb.com/submit/114075
    Added Reference https://vuldb.com/vuln/227650
    Added Reference https://vuldb.com/vuln/227650/cti
    Removed Reference https://vuldb.com/?ctiid.227650
    Removed Reference https://vuldb.com/?id.227650
    Removed Reference Type https://vuldb.com/?ctiid.227650 Types: Permissions Required, Third Party Advisory
    Removed Reference Type https://vuldb.com/?id.227650 Types: Third Party Advisory
    Changed Affected [{'vendor': 'Ubiquiti', 'modules': ['Web Management Interface'], 'product': 'EdgeRouter X', 'versions': [{'status': 'affected', 'version': '2.0.9-hotfix.0'}, {'status': 'affected', 'version': '2.0.9-hotfix.1'}, {'status': 'affected', 'version': '2.0.9-hotfix.2'}, {'status': 'affected', 'version': '2.0.9-hotfix.3'}, {'status': 'affected', 'version': '2.0.9-hotfix.4'}, {'status': 'affected', 'version': '2.0.9-hotfix.5'}, {'status': 'affected', 'version': '2.0.9-hotfix.6'}]}] [{'cpes': ['cpe:2.3:h:ubiquiti:edgerouter_x:*:*:*:*:*:*:*:*'], 'vendor': 'Ubiquiti', 'modules': ['Web Management Interface'], 'product': 'EdgeRouter X', 'versions': [{'status': 'affected', 'version': '2.0.9-hotfix.0'}, {'status': 'affected', 'version': '2.0.9-hotfix.1'}, {'status': 'affected', 'version': '2.0.9-hotfix.2'}, {'status': 'affected', 'version': '2.0.9-hotfix.3'}, {'status': 'affected', 'version': '2.0.9-hotfix.4'}, {'status': 'affected', 'version': '2.0.9-hotfix.5'}, {'status': 'affected', 'version': '2.0.9-hotfix.6'}]}]
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Ubiquiti', 'modules': ['Web Management Interface'], 'product': 'EdgeRouter X', 'versions': [{'status': 'affected', 'version': '2.0.9-hotfix.0'}, {'status': 'affected', 'version': '2.0.9-hotfix.1'}, {'status': 'affected', 'version': '2.0.9-hotfix.2'}, {'status': 'affected', 'version': '2.0.9-hotfix.3'}, {'status': 'affected', 'version': '2.0.9-hotfix.4'}, {'status': 'affected', 'version': '2.0.9-hotfix.5'}, {'status': 'affected', 'version': '2.0.9-hotfix.6'}]}]
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/6
    Added Reference https://vuldb.com/?ctiid.227650
    Added Reference https://vuldb.com/?id.227650
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • Initial Analysis by [email protected]

    May. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/6 No Types Assigned https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/6 Exploit, Third Party Advisory
    Changed Reference Type https://vuldb.com/?ctiid.227650 No Types Assigned https://vuldb.com/?ctiid.227650 Permissions Required, Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.227650 No Types Assigned https://vuldb.com/?id.227650 Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.9 *cpe:2.3:o:ui:er-x_firmware:2.0.9:-:*:*:*:*:*:* *cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix2:*:*:*:*:*:* *cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix3:*:*:*:*:*:* *cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix4:*:*:*:*:*:* *cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix5:*:*:*:*:*:* *cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix6:*:*:*:*:*:* OR cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-x-sfp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.9 *cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:-:*:*:*:*:*:* *cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix2:*:*:*:*:*:* *cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix4:*:*:*:*:*:* *cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix5:*:*:*:*:*:* *cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix6:*:*:*:*:*:* OR cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:*
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.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 7.3
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 8.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
EPSS
Exploit Prediction

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

6.80 }} 2.25%

score

0.93241

percentile