How severe is CVE-2023-22306?

CVE-2023-22306 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-22306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22306?

CVE-2023-22306 affects Milesight Ur32l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-22306 published?

CVE-2023-22306 was published on 2023-07-06 and last updated on 2026-06-17.

CVE-2023-22306

CVE-2023-22306 is a high-severity vulnerability in Milesight Ur32l Firmware with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Milesight Ur32l Firmware
Published: 2023-07-06
Last modified: 2026-06-17

Description

An OS command injection vulnerability exists in the libzebra.so bridge_group functionality of Milesight UR32L v32.3.0.5. A specially crafted network packet can lead to command execution. An attacker can send a sequence of requests to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-22306?: An OS command injection vulnerability exists in the libzebra.so bridge_group functionality of Milesight UR32L v32.3.0.5. A specially crafted network packet can lead to command execution. An attacker can send a sequence of requests to trigger this vulnerability.
How severe is CVE-2023-22306?: CVE-2023-22306 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-22306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22306?: CVE-2023-22306 affects Milesight Ur32l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-22306 published?: CVE-2023-22306 was published on 2023-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:milesight:ur32l_firmware:32.3.0.5:*:*:*:*:*:*:*

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