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Nexus Repository Manager CVE-2020-29436

MEDIUM
Improper Restriction of XML External Entity Reference (CWE-611)
2020-12-17 cve@mitre.org
XXE Nexus Repository Manager
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Dec 17, 2020 - 02:15 nvd
MEDIUM 6.5

DescriptionNVD

Sonatype Nexus Repository Manager 3.x before 3.29.0 allows a user with admin privileges to configure the system to gain access to content outside of NXRM via an XXE vulnerability. Fixed in version 3.29.0.

AnalysisAI

Sonatype Nexus Repository Manager 3.x before 3.29.0 allows a user with admin privileges to configure the system to gain access to content outside of NXRM via an XXE vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. 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. Sonatype Nexus Repository Manager 3.x before 3.29.0 allows a user with admin privileges to configure the system to gain access to content outside of NXRM via an XXE vulnerability. Fixed in version 3.29.0. Affected products include: Sonatype Nexus Repository Manager. Version information: before 3.29.0.

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.

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Same weakness CWE-611 – Improper Restriction of XML External Entity Reference

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CVE-2020-29436 vulnerability details – vuln.today
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