How severe is CVE-2019-10662?

CVE-2019-10662 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-10662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 44% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10662?

CVE-2019-10662 affects Grandstream Ucm6204 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10662?

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-2019-10662 published?

CVE-2019-10662 was published on 2019-03-30 and last updated on 2026-06-17.

CVE-2019-10662

CVE-2019-10662 is a high-severity vulnerability in Grandstream Ucm6204 Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 44% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 44% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Grandstream Ucm6204 Firmware
Published: 2019-03-30
Last modified: 2026-06-17

Description

Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the backupUCMConfig file-backup parameter to the /cgi? URI.

Frequently asked questions

What is CVE-2019-10662?: Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the backupUCMConfig file-backup parameter to the /cgi? URI.
How severe is CVE-2019-10662?: CVE-2019-10662 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-10662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 44% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10662?: CVE-2019-10662 affects Grandstream Ucm6204 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10662?: 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-2019-10662 published?: CVE-2019-10662 was published on 2019-03-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:grandstream:ucm6204_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Grandstream Ucm6204 Firmware

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CVE-2020-5726 — High (CVSS 7.5): The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A…

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