CVE-2021-44557 is a critical XML External Entity (XXE) vulnerability affecting the National Library of the Netherlands' multiNER <= c0440948057afc6e3d6b4903a7c05e666b94a3bc, specifically in the multiNER/ner.py component. This flaw, rated 9.1 CVSS (Critical), allows an unauthenticated attacker to remotely leak internal files or cause a Denial of Service by submitting a malicious XML stream. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 08-25-2021CPE matchmatch criteria | cpe:2.3:a:kb:multiner:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.