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CISA KEV · Known exploitedHigh

CVE-2020-10199

Sonatype Nexus Repository

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).

CVSS
8.8
EPSS
99.1%
99.9% percentile
CISA KEV
Listed
Published
2020.04.02
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability99.1%
Technical severityCVSS 8.8

Vulnerability overview

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).

Affected product and versions

Product
Sonatype Nexus Repository
Affected versions
< 3.21.2
Fixed versions
3.21.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03
  1. 1
    Identify

    Confirm that Sonatype Nexus Repository and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-917
KEV added
2021.11.03
Ransomware use
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