CVE-2020-10199VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2020-10199: Sonatype Nexus Repository Remote Code Execution Vulnerability

Affects Sonatype Nexus RepositorySource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 11/03/2021
KEV deadline: 05/03/2022
EPSS: 99.1% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2020-10199 (opens in a new tab)

Description

CVE-2020-10199 is a high severity vulnerability in Sonatype Nexus Repository that allows remote code execution. The vulnerability is unspecified in detail but has been exploited in the wild. No specific affected versions or patch information are provided.

Summary

Sonatype Nexus Repository contains an unspecified vulnerability identified as CVE-2020-10199 that enables remote code execution. The vulnerability is classified under CWE-917 (Improper Neutralization of Special Elements used in an Expression Language Statement). Exploitation of this vulnerability has been observed in the wild, indicating active threat use. However, no detailed technical specifics or affected version ranges are provided in the available data.

Impact

Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely on the affected Nexus Repository server. This can lead to full system compromise, data theft, or disruption of repository services. The presence of known exploits in the wild increases the risk to affected environments.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Sonatype's official channels for updates and apply any available patches promptly once released. Until then, consider restricting network access to the Nexus Repository server and applying other environment-specific mitigations as advised by the vendor.

Weaknesses

CWE-917Expression Language Injection (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 08:55:42 UTC

Weaknesses

References

Related threats