TI-2021-20149 Aliases CVE-2021-44557 GHSA-h7pc-9m8f-584g

National Library of the Netherlands multiNER <= c0440948057afc6e3d6b4903a7c05e666b94a3bc…

MEDIUM 42CWE-611Published 2021-12-08 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

National Library of the Netherlands multiNER <= c0440948057afc6e3d6b4903a7c05e666b94a3bc is affected by an XML External Entity (XXE) vulnerability in multiNER/ner.py. Since XML parsing resolves external entities, a malicious XML stream could leak internal files and/or cause a DoS.

Why it matters now

EPSS 0.01304 70th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:kb:multiner::::::::	before 08-25-2021	Vulnerable	Kb

cpe:2.3:a:kb:multiner:*:*:*:*:*:*:*:* Versions before 08-25-2021 Vulnerable ·Kb

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-44557
2026-10-03 Alias added: GHSA-h7pc-9m8f-584g

References

Patch 1

https://github.com/KBNLresearch/multiNER/pull/3

Advisory 1

https://github.com/KBNLresearch/multiNER

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences