CVE-2021-35587 (GCVE-0-2021-35587)
Vulnerability from cvelistv5 – Published: 2022-01-19 11:21 – Updated: 2025-10-21 23:15Summary
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent). Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-25 19:01 UTC
CWE
- Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager.
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpujan2022.html | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Access Manager |
Affected:
11.1.2.3.0
Affected: 12.2.1.3.0 Affected: 12.2.1.4.0 |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 69e43051-8ada-4f83-a130-4ede846d463f
Exploited: Yes
Timestamps
First Seen: 2022-11-28
Asserted: 2022-11-28
Scope
Notes: Oracle Fusion Middleware Unspecified Vulnerability | Affected: Oracle / Fusion Middleware | Description: Oracle Fusion Middleware Access Manager allows an unauthenticated attacker with network access via HTTP to takeover the Access Manager product. | Required action: Apply updates per vendor instructions. | Due date: 2022-12-19 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.oracle.com/security-alerts/cpujan2022.html; https://nvd.nist.gov/vuln/detail/CVE-2021-35587
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-502 CWE-790 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Fusion Middleware |
| Due Date | 2022-12-19 |
| Date Added | 2022-11-28 |
| Vendorproject | Oracle |
| Vulnerabilityname | Oracle Fusion Middleware Unspecified Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 13223642-728d-4ad4-81db-15b96ec66865
Exploited: Yes
Timestamps
First Seen: 2022-11-28
Asserted: 2022-11-28
Scope
Notes: Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent). Supported versions that are affected are... | Affected: Oracle / Access Manager | CVSS: 9.8 (CRITICAL) | EPSS: 0.96284 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent). Supported versions that are affected are... |
| Cve Id | CVE-2021-35587 |
| Vendor | Oracle |
| Ghsa Id | None |
| Product | Access Manager |
| Added Date | 2022-11-28T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | 0.96284 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99879 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2021-35587 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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}
]
},
"impact": {
"cvss": {
"baseScore": "9.8",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager."
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.oracle.com/security-alerts/cpujan2022.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpujan2022.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2021-35587",
"datePublished": "2022-01-19T11:21:42.000Z",
"dateReserved": "2021-06-28T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:48.829Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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