November 13, 2026 Follow Egret
CVE-2021-35587 · CVE record: PUBLISHED

Oracle Fusion Middleware Unspecified Vulnerability

Oracle Corporation Access Manager

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).

Exploitation evidence

Known exploited · CISA KEV listed

Added 2022-11-28. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2022-12-19. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Oracle Corporation / Access Manager

Default status: Not specified

  • affected: 11.1.2.3.0
  • affected: 12.2.1.3.0
  • affected: 12.2.1.4.0

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.96284,
  "percentile": 0.9988
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.96284,
  "percentile": 0.99879
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.96284,
  "percentile": 0.99879
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.96284,
  "percentile": 0.99879
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.96284,
  "percentile": 0.99879
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.96284,
  "percentile": 0.99879
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.96284,
  "percentile": 0.99879
}
05 Nov 2026, 06:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:40:47.369Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-35587",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-25T19:01:08.669891Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2022-11-28",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-306",
                "description": "CWE-306 Missing Authentication for Critical Function",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:15:48.829Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2022-11-28T00:00:00.000Z",
            "value": "CVE-2021-35587 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Access Manager",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "11.1.2.3.0"
            },
            {
              "status": "affected",
              "version": "12.2.1.3.0"
            },
            {
              "status": "affected",
              "version": "12.2.1.4.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "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.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-19T11:21:42.000Z",
        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "shortName": "oracle"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert_us@oracle.com",
          "ID": "CVE-2021-35587",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Access Manager",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "11.1.2.3.0"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "12.2.1.3.0"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "12.2.1.4.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Oracle Corporation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "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)."
            }
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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"
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        "problemtype": {
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            {
              "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"
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.96284,
  "percentile": 0.99879
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.96284,
  "percentile": 0.99879
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.96284,
  "percentile": 0.99879
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2021-35587",
  "cwes": [
    "CWE-502",
    "CWE-790"
  ],
  "dateAdded": "2022-11-28",
  "dueDate": "2022-12-19",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://www.oracle.com/security-alerts/cpujan2022.html; https://nvd.nist.gov/vuln/detail/CVE-2021-35587",
  "product": "Fusion Middleware",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "Oracle Fusion Middleware Access Manager allows an unauthenticated attacker with network access via HTTP to takeover the Access Manager product.",
  "vendorProject": "Oracle",
  "vulnerabilityName": "Oracle Fusion Middleware Unspecified Vulnerability"
}
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