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Fencer Vulns
high 8.8

CVE-2021-29907 json

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.

published 2021-08-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16381

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

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.

Patch / fix

  • ibm openpages_with_watson 8.1.0.2.1, 8.2.0.2

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/UI:N/A:H/I:H/PR:L/S:U/C:H/RC:C/E:U/RL:O
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • IBM OpenPages with Watson

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.