CVE-2023-2374: ubiquiti edgerouter x Injection
Vulnerability summary
CVE-2023-2374 is a high (CVSS 8.6) Injection vulnerability in ubiquiti edgerouter x. EPSS estimates a 6.86% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 28-04-2023PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST7.3HighCVSS: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/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:XDiffers
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST8.3HighAV:N/AC:L/Au:M/C:C/I:C/A:C
EPSS trend
Probability
6.86%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.86% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot
Maturity: poc
Weaknesses
CWE · root cause- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
Affected systems
Ui2 products
- er-x_firmware< 2.0.9 | 2.0.9 | 2.0.9:hotfix2 | 2.0.9:hotfix3 | 2.0.9:hotfix4 | 2.0.9:hotfix5 | 2.0.9:hotfix6
- er-x-sfp_firmware< 2.0.9 | 2.0.9 | 2.0.9:hotfix2 | 2.0.9:hotfix4 | 2.0.9:hotfix5 | 2.0.9:hotfix6
Ubiquiti1 product
- edgerouter x2.0.9-hotfix.0 | 2.0.9-hotfix.1 | 2.0.9-hotfix.2 | 2.0.9-hotfix.3 | 2.0.9-hotfix.4 | 2.0.9-hotfix.5 | 2.0.9-hotfix.6
2 vendors · 3 products
References
7 links- vuldb.com/cve/CVE-2023-2374Third Party Advisory
- vuldb.com/submit/114075Third Party Advisory