CVE-2018-17139

CVE-2018-17139 is a high-severity vulnerability in Ultimatefosters Ultimatepos with a CVSS 3.x base score of 8.8. 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

Description

UltimatePOS 2.5 allows users to upload arbitrary files, which leads to remote command execution by posting to a /products URI with PHP code in a .php file with the image/jpeg content type.

Frequently asked questions

What is CVE-2018-17139?
UltimatePOS 2.5 allows users to upload arbitrary files, which leads to remote command execution by posting to a /products URI with PHP code in a .php file with the image/jpeg content type.
How severe is CVE-2018-17139?
CVE-2018-17139 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-2018-17139 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17139?
CVE-2018-17139 affects Ultimatefosters Ultimatepos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17139?
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-2018-17139 published?
CVE-2018-17139 was published on 2018-09-17 and last updated on 2026-06-17.

References

Affected products (1)

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