What is the CVSS score of CVE-2020-10991?

CVE-2020-10991 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2020-10991?

Yes, a public proof-of-concept exploit is available for CVE-2020-10991. Prioritise patching immediately. EPSS: 1.3%.

Aplkit CVE-2020-10991

CRITICAL

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

2020-03-27 cve@mitre.org

XXE Aplkit

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 27, 2020 - 00:15 nvd

CRITICAL 9.8

DescriptionNVD

Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java

AnalysisAI

Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

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. Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java Affected products include: Mulesoft Aplkit. Version information: through 1.3.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.