What is the CVSS score of CVE-2021-44556?

CVE-2021-44556 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2021-44556?

Yes, a patch is available for CVE-2021-44556. Update the affected software to the latest version immediately.

Digger CVE-2021-44556

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2021-12-08 cve@mitre.org

XXE Digger

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 08, 2021 - 12:15 nvd

CRITICAL 9.1

DescriptionNVD

National Library of the Netherlands digger < 6697d1269d981e35e11f240725b16401b5ce3db5 is affected by a XML External Entity (XXE) vulnerability. Since XML parsing resolves external entities, a malicious XML stream could leak internal files and/or cause a DoS.

AnalysisAI

National Library of the Netherlands digger < 6697d1269d981e35e11f240725b16401b5ce3db5 is affected by a XML External Entity (XXE) vulnerability. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. National Library of the Netherlands digger < 6697d1269d981e35e11f240725b16401b5ce3db5 is affected by a XML External Entity (XXE) vulnerability. Since XML parsing resolves external entities, a malicious XML stream could leak internal files and/or cause a DoS. Affected products include: Kb Digger.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.