CVE-2019-18931: western_digital my_cloud_ex2_ultra_firmware Classic Buffer Overflow
CVSS: 9.0v2.0HighModified
Published 13-11-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-18931 is a high (CVSS 9.0) Classic Buffer Overflow vulnerability in western_digital my_cloud_ex2_ultra_firmware. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
2.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 13-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.20%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.20% on 20-09-2026
20-09-202620-10-2026
EPSS score2.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Western_digital1 product
- my_cloud_ex2_ultra_firmware2.31.195
1 vendor · 1 product
References
2 links- github.com/DelspoN/CVE/blob/master/CVE-2019-18931/description.txtX Refsource MISCThird Party Advisory