How severe is CVE-2018-11638?

CVE-2018-11638 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-2018-11638 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-2018-11638?

CVE-2018-11638 affects Dialogic Powermedia Xms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11638?

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-2018-11638 published?

CVE-2018-11638 was published on 2018-07-03 and last updated on 2026-06-17.

CVE-2018-11638

CVE-2018-11638 is a high-severity vulnerability in Dialogic Powermedia Xms 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dialogic Powermedia Xms
Published: 2018-07-03
Last modified: 2026-06-17

Description

Unrestricted Upload of a File with a Dangerous Type in the administrative console in Dialogic PowerMedia XMS through 3.5 allows remote authenticated users to upload malicious code to the web root to gain code execution.

Frequently asked questions

What is CVE-2018-11638?: Unrestricted Upload of a File with a Dangerous Type in the administrative console in Dialogic PowerMedia XMS through 3.5 allows remote authenticated users to upload malicious code to the web root to gain code execution.
How severe is CVE-2018-11638?: CVE-2018-11638 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-2018-11638 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-2018-11638?: CVE-2018-11638 affects Dialogic Powermedia Xms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11638?: 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-2018-11638 published?: CVE-2018-11638 was published on 2018-07-03 and last updated on 2026-06-17.

References

https://d3adend.org/blog/?p=1398

Affected products (1)

cpe:2.3:a:dialogic:powermedia_xms:*:*:*:*:*:*:*:*

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CVE-2018-11636 — High (CVSS 8.8): Cross-site request forgery (CSRF) vulnerability in the administrative console in Dialogic PowerMedia XMS through 3.5…
CVE-2018-11639 — High (CVSS 8.1): Plaintext Storage of Passwords within Cookies in /var/www/xms/application/controllers/verifyLogin.php in the…

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