Ubiquiti EdgeRouter X Web Management command injection

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Summary

CVECVE-2023-2373
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-28 14:15:10 UTC
Updated2026-07-09 15:16:27 UTC
DescriptionA vulnerability was identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This vulnerability affects unknown code of the component Web Management Interface. Such manipulation of the argument ecn-up leads to command injection. The attack may be performed from remote. The exploit is publicly available and might be used. The actual existence of this vulnerability is currently in question. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Risk And Classification

Primary CVSS: v4.0 7.3 HIGH from [email protected]

CVSS:4.0/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

EPSS: 0.075590000 probability, percentile 0.938140000 (date 2026-07-13)

Problem Types: CWE-74 | CWE-77 | CWE-77 Command Injection | CWE-74 Injection

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED8.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Primary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.0CNADECLARED7.2HIGHCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.0[email protected]Secondary8.3AV:N/AC:L/Au:M/C:C/I:C/A:C
2.0CNADECLARED8.3AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Ui Edgemax Edgerouter Firmware All All All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 - All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 hotfix1 All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 hotfix2 All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 hotfix4 All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 hotfix5 All All
Operating System Ui Edgemax Edgerouter Firmware 2.0.9 hotfix6 All All
Hardware Ui Er-x - All All All
Hardware Ui Er-x-sfp - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.0 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.1 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.2 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.3 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.4 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.5 Not specified
CNA Ubiquiti EdgeRouter X affected 2.0.9-hotfix.6 Not specified

References

ReferenceSourceLinkTags
IoT/EdgeRouterX/CI/5 at main · leetsun/IoT · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
vuldb.com/vuln/227649/cti [email protected] vuldb.com
vuldb.com/vuln/227649 [email protected] vuldb.com
Login required af854a3a-2127-422b-91ae-364da2661108 vuldb.com Permissions Required, Third Party Advisory
vuldb.com/submit/114074 [email protected] vuldb.com
CVE-2023-2373: Ubiquiti EdgeRouter X Web Management Interface command injection af854a3a-2127-422b-91ae-364da2661108 vuldb.com Third Party Advisory
vuldb.com/cve/CVE-2023-2373 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: leetmoon (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2023-04-28T00:00:00.000ZAdvisory disclosed
CNA2023-04-28T00:00:00.000ZCVE reserved
CNA2023-04-28T02:00:00.000ZVulDB entry created
CNA2026-07-09T15:53:43.000ZVulDB entry last update
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