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CVE-2023-2378

27
FAUCET Score

CVE-2023-2378 is a critical command injection vulnerability affecting Ubiquiti EdgeRouter X devices running firmware up to version 2.0.9-hotfix.6. This flaw resides within the web management interface, specifically through the manipulation of the "suffix-rate-up" argument. The vulnerability carries a CVSS score of 8.8 (High), indicating it can be exploited remotely with low complexity by an authenticated attacker, leading to high impact on confidentiality, integrity, and availability. While public exploit code has been disclosed, there is currently no evidence of active exploitation in the wild, and it lacks significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:-:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix2:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix3:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
7.56%
Probability of exploitation in next 30 days
EPSS Percentile
93.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0756 is in the 93rd percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory
github.com / leetsun/IoT/tree/main/EdgeRouterX/CI/4
ExploitThird Party Advisory
vuldb.com / cve/CVE-2023-2378
vuldb.com / submit/114072
vuldb.com / vuln/227654
vuldb.com / vuln/227654/cti