CVE-2020-10199 (GCVE-0-2020-10199)
Vulnerability from cvelistv5 – Published: 2020-04-01 18:27 – Updated: 2025-10-21 23:35Summary
Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
Severity
8.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 19:56 UTC
CWE
- n/a
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://support.sonatype.com/hc/en-us/articles/36… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/157261/Nexus… | x_refsource_MISC |
| http://packetstormsecurity.com/files/160835/Sonat… | x_refsource_MISC |
| https://cwe.mitre.org/data/definitions/917.html | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e29508aa-f35a-49f8-9fca-d0d9bc70470c
Exploited: Yes
Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: Sonatype Nexus Repository Remote Code Execution Vulnerability | Affected: Sonatype / Nexus Repository | Description: Sonatype Nexus Repository contains an unspecified vulnerability that allows for remote code execution. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-10199
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-917 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Nexus Repository |
| Due Date | 2022-05-03 |
| Date Added | 2021-11-03 |
| Vendorproject | Sonatype |
| Vulnerabilityname | Sonatype Nexus Repository Remote Code Execution Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:26 UTC
| Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1d109610-a948-4996-bf33-03e3c443f35e
Exploited: Yes
Characteristics
Severity:
88.0
Timestamps
First Seen: 2023-10-18
Asserted: 2023-10-18
Last Seen: 2026-08-26
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Sonatype / Nexus Repository Manager | Class: other-software | Severity: High (CVSS 8.8) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-08-26: 1
Evidence
Type: Honeypot
Signal: In The Wild Attempts
Confidence: 70%
Source: shadowserver
Details
| 1D | 1 |
|---|---|
| Iot | no |
| Feed | Shadowserver Foundation honeypot/exploited-vulnerabilities |
| Type | http-scan |
| Class | other-software |
| 7D Avg | 0 |
| Vendor | Sonatype |
| 30D Avg | 0 |
| 90D Avg | 0 |
| Product | Nexus Repository Manager |
| Cisa Kev | yes |
| Connections | 1 |
| Observation Date | 2026-08-26 |
| Vulnerability Class | CVSS |
| Vulnerability Score | 8.8 |
| Vulnerability Severity | High |
References
Created: 2026-07-01 05:53 UTC
| Updated: 2026-08-28 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3bfb8c6a-e7c2-459b-9886-625898f88953
Exploited: Yes
Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2). | Affected: Sonatype / Nexus Repository | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2). |
| Vendor | Sonatype |
| Product | Nexus Repository |
| Added Date | 2021-11-03T00:00:00.000Z |
| Cvss Score | 8.8 |
| Epss Score | None |
| Cvss Severity | HIGH |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:13 UTC
| Updated: 2026-06-23 11:13 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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