What is CVE-2021-29907?

CVE-2021-29907 is a high-severity vulnerability in IBM Openpages With Watson, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-08-31.

How severe is CVE-2021-29907?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in IBM Openpages With Watson

CVE-2021-29907

IBM OpenPages with Watson 8.1 and 8.2 could allow an authenticated user to upload a file that could execute arbitrary code on the system. IBM X-Force ID: 207633.

Vulnerability class: Unrestricted File Upload

Published 2021-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.5th percentile), scored 2026-10-21.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

IBM Openpages With Watson — versions 8.2, 8.1
IBM Openpages With Watson
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.ibm.com/support/pages/node/6483607 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/207633 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29907?: CVE-2021-29907 is a high-severity vulnerability in IBM Openpages With Watson, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-08-31.
How severe is CVE-2021-29907?: High severity. CVSS v3 base score is 8.8 out of 10.