CVSS v3
8.8
HIGH
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Western Digital My Cloud EX2 Ultra firmware 2.31.195 allows a Buffer Overflow with Extended Instruction Pointer (EIP) control via crafted GET/POST parameters.
Technical details
- Published
- 2019-11-13
Frequently asked questions
What is CVE-2019-18931?
Western Digital My Cloud EX2 Ultra firmware 2.31.195 allows a Buffer Overflow with Extended Instruction Pointer (EIP) control via crafted GET/POST parameters.
Is CVE-2019-18931 actively exploited?
Active exploitation of CVE-2019-18931 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-18931?
CVE-2019-18931 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-18931 affecting your environment?
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