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Vulnerabilities

Vulnerability · CVE-2021-35587

Oracle Fusion Middleware Unspecified Vulnerability

Published Jan 19, 2022 · catalog updated Jun 16, 2026 · Oracle Fusion Middleware

Patch now

CVE-2021-35587 is in the CISA known-exploited catalog, due Dec 19, 2022. Confirm Oracle Fusion Middleware against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
96.28%
Remediation
Remediation guidance
Affected products
cpe oracle/access manager · vendor Oracle Fusion Middleware

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).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe oracle/access manager11.1.2.3.0
  • cpe oracle/access manager12.2.1.3.0
  • cpe oracle/access manager12.2.1.4.0
  • vendor Oracle Fusion Middlewareversion unspecified

How to fix CVE-2021-35587

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-35587 is in the CISA known-exploited catalog, due Dec 19, 2022. Confirm Oracle Fusion Middleware against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with oracle/access manager 11.1.2.3.0; oracle/access manager 12.2.1.3.0; oracle/access manager 12.2.1.4.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function; CWE-502: Deserialization of Untrusted Data; CWE-790. EPSS 96.28%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 19, 2022 · Catalog

    Detected

    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 M

  2. Nov 28, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Dec 19, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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 M

Sources

  • CISA KEVConfirmed exploitationCVE-2021-35587

    Oracle Fusion Middleware Access Manager allows an unauthenticated attacker with network access via HTTP to takeover the Access Manager product.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-35587

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-35587

    30-day exploitation probability 96.3%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/oracle_access_manager_rce_cve_2021_35587

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2021-35587

    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

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2021-35587

    Oracle Fusion Middleware Access Manager allows an unauthenticated attacker with network access via HTTP to takeover the Access Manager product.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.