What is the CVSS score of CVE-2022-0839?

CVE-2022-0839 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: 2.9%.

Is there a public PoC exploit available for CVE-2022-0839?

Yes, a public proof-of-concept exploit is available for CVE-2022-0839. Prioritise patching immediately. EPSS: 2.9%.

Is there a patch available for CVE-2022-0839?

Yes, a patch is available for CVE-2022-0839. Update the affected software to the latest version immediately.

Liquibase CVE-2022-0839

CRITICAL

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

2022-03-04 security@huntr.dev

XXE Liquibase Sqlcl

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 04, 2022 - 15:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

206 maven packages depend on org.liquibase:liquibase-core (71 direct, 137 indirect)

Ecosystem-wide dependent count for version 4.8.0.

DescriptionNVD

Improper Restriction of XML External Entity Reference in GitHub repository liquibase/liquibase prior to 4.8.0.

AnalysisAI

Improper Restriction of XML External Entity Reference in GitHub repository liquibase/liquibase prior to 4.8.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code 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. Improper Restriction of XML External Entity Reference in GitHub repository liquibase/liquibase prior to 4.8.0. Affected products include: Liquibase, Oracle Sqlcl. Version information: prior to 4.8.0..

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.