CVE-2021-44557

CVSS V2 Medium 6.4 CVSS V3 Critical 9.1

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.

Overview

CVE ID
CVE-2021-44557

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-12-08T12:15:08

Last Modified Date
2021-12-13T19:24:44

Weakness Enumerations

CWE	URL
CWE-611	http://cwe.mitre.org/data/definitions/611.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:kb:multiner::::::::	1	OR		08-25-2021

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
6.4

Severity
MEDIUM

Exploitability Score
10

Impact Score
4.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://github.com/KBNLresearch/multiNER	Product Third Party Advisory
https://github.com/KBNLresearch/multiNER/pull/3	Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-44557
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44557

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:41:29				Added to TrackCVE
2022-12-06 03:18:07	2021-12-08T12:15Z	2021-12-08T12:15:08	CVE Published Date	updated
2022-12-06 03:18:07		2021-12-13T19:24:44	CVE Modified Date	updated
2022-12-06 03:18:07		Analyzed	Vulnerability Status	updated