CVE-2020-10199
Confirmed PUBLISHEDSonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
- CVE Published
- Apr 01, 2020
- Exploitation Reported
- Nov 03, 2021
- CVSS
- 8.8 High
- EPSS
- 99.1%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- support.sonatype.com/hc/en-us/articles/360044882533 support.sonatype.com · CVE Record https://support.sonatype.com/hc/en-us/articles/360044882533
- packetstormsecurity.com/files/157261/Nexus-Repository-Manager-3.21.1... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/157261/Nexus-Repository-Manager-...
- packetstormsecurity.com/files/160835/Sonatype-Nexus-3.21.1-Remote-Co... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/160835/Sonatype-Nexus-3.21.1-Rem...
- cwe.mitre.org/data/definitions/917.html cwe.mitre.org · CVE Record https://cwe.mitre.org/data/definitions/917.html
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2021-11-03 00:00 UTC |
| The Shadowserver | 2026-07-20 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-10199.yaml | Apr 25, 2025 |
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nexus_repo_manager_el_injection.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2021-11-03 00:00:00 UTC · CISA
Proof of concept available
Recorded 2020-04-07 13:23:12 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nexus_repo_manager_el_injection.rb | Apr 28, 2025 |
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-10199.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2020-04-16 09:40:15 UTC · 44 stars
CVE-2020-10199 Nexus <= 3.21.1 远程代码执行脚本(有回显)
github · Created 2020-04-08 11:08:35 UTC · 25 stars
CVE-2020-10199、CVE-2020-10204漏洞一键检测工具，图形化界面。CVE-2020-10199 and CVE-2020-10204 Vul Tool with GUI.
github · Created 2020-04-08 07:36:30 UTC · 35 stars
CVE-2020-10199、CVE-2020-10204、CVE-2020-11444
github · Created 2020-04-07 13:23:12 UTC · 19 stars
CVE-2020-10199 CVE-2020-10204 Python POC
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 3 days ago00:00 UTC · 3 days ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
13:23 UTC over 6 years ago13:23 UTC · over 6 years ago
Public PoC available
Public proof-of-concept code published
-
18:27 UTC over 6 years ago18:27 UTC · over 6 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 6 years ago00:00 UTC · over 6 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2020-10199
{
"cve_id": "CVE-2020-10199",
"title": "Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).",
"affected_vendor": "Sonatype",
"affected_product": "Nexus Repository",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.8,
"epss_score": 0.99064,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}