Which products and versions are affected by CVE-2020-10199?

Affected: Nexus (Sonatype); org.sonatype.nexus:nexus-extdirect (maven). The full list is in the CVE brief.

Is CVE-2020-10199 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021.

Is CVE-2020-10199 in the CISA KEV catalog?

Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.

Is there a public exploit for CVE-2020-10199?

Public exploit code is available.

Is there a fix for CVE-2020-10199?

Fixed versions are available, including org.sonatype.nexus:nexus-extdirect 3.21.2, Nexus 3.21.2.

How urgently should CVE-2020-10199 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2020-10199

HighExploitedPublic exploit

Nexus Repository Manager 3 - Remote Code Execution

Published Apr 14, 2020 · Updated Oct 22, 2025 · Also known as GHSA-g2f6-v5qh-h2mq

Key Facts

Patch immediately

CVE-2020-10199 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Nexus (Sonatype), org.sonatype.nexus:nexus-extdirect (maven).
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021. Public exploit code is available.
EPSS estimates a 99% probability of exploitation in the next 30 days.
Fixed versions are available, including org.sonatype.nexus:nexus-extdirect 3.21.2, Nexus 3.21.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

99%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2020-10199 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Nov 3, 2021	May 3, 2022	Not reported
Industry KEV feed	Nov 3, 2021	May 3, 2022	Not reported
CIRCL KEV	Nov 3, 2021	May 3, 2022	Not reported
ENISA EUVD	Nov 3, 2021	n/a	Not reported

Required action: Apply updates per vendor instructions.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
NexusSonatype	See advisory	3.21.2
org.sonatype.nexus:nexus-extdirectmaven	See advisory	3.21.2

Patched Releases

org.sonatype.nexus:nexus-extdirect

3.21.2

Nexus

3.21.2

Timeline

Publicly disclosed
Apr 14, 2020
Added to CISA KEV
Nov 3, 2021
Added to Industry KEV feed
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 22, 2025

Weakness Type

CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

References

15 more references in the full CVE brief

FAQ

Common Questions.

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
Affected: Nexus (Sonatype); org.sonatype.nexus:nexus-extdirect (maven). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including org.sonatype.nexus:nexus-extdirect 3.21.2, Nexus 3.21.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2020-10199 Running On Your Attack Surface?

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