CVE-2021-44557 XML external entity in n/a
Attackers can exploit an XML External Entity vulnerability in the multiNER library to leak internal files or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-44557?
CVE-2021-44557 is a critical vulnerability in n/a, published on 8 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-611
Which versions are affected by CVE-2021-44557?
It affects 1 product.
Products include Kb Multiner.
How do I fix CVE-2021-44557?
No fix has been published for CVE-2021-44557 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44557 being exploited?
There is no known exploitation of CVE-2021-44557 in the wild and no public exploit code.
Sources
Also known as GHSA-h7pc-9m8f-584g.