How severe is CVE-2023-2373?

CVE-2023-2373 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-2373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2373?

CVE-2023-2373 primarily affects Ui Edgemax Edgerouter Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-2373?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2373 published?

CVE-2023-2373 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-2373

CVE-2023-2373 is a medium-severity vulnerability in Ui Edgemax Edgerouter Firmware with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Ui Edgemax Edgerouter Firmware
Published: 2023-04-28
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Management Interface. The manipulation of the argument ecn-up leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-227649 was assigned to this vulnerability.

Frequently asked questions

What is CVE-2023-2373?: A vulnerability, which was classified as critical, was found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Management Interface. The manipulation of the argument ecn-up leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-227649 was assigned to this vulnerability.
How severe is CVE-2023-2373?: CVE-2023-2373 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-2373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2373?: CVE-2023-2373 primarily affects Ui Edgemax Edgerouter Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-2373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2373 published?: CVE-2023-2373 was published on 2023-04-28 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:ui:edgemax_edgerouter_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:-:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix1:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix2:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix4:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix5:*:*:*:*:*:*
cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix6:*:*:*:*:*:*

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