VulnerabilityModified
CVE-2021-28173
Remote attackers can upload and execute arbitrary files without login.
CRITICAL 9.8EPSS 1.64%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The file upload function of Vangene deltaFlow E-platform does not perform access controlled properly. Remote attackers can upload and execute arbitrary files without login.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.64% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- deltaflow project/deltaflow
- Source
- twcert@cert.org.tw
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66Third Party Advisory
- https://www.twcert.org.tw/tw/cp-132-4620-58f9c-1.htmlThird Party Advisory
- https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66Third Party Advisory
- https://www.twcert.org.tw/tw/cp-132-4620-58f9c-1.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.