CVE-2021-35587: Oracle Fusion Middleware Unspecified Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Oracle Fusion Middleware Access Manager allows an unauthenticated attacker with network access via HTTP to takeover the Access Manager product.
CSIRTS triage
- What
- An unspecified vulnerability allows an unauthenticated attacker with network access to take over the Access Manager product.
- Who is affected
- Users of Oracle Fusion Middleware Access Manager.
- Urgency
- Remediation is urgent as the vulnerability is critical and actively exploited.
- Action
- Apply the latest security patches from Oracle.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Fusion Middleware
Get an email when a new Fusion Middleware advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-35587
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2021-35587Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2021-35587 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Oracle Fusion Middleware
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalNCSC-2026-0207 [1.00] [M/H] Vulnerabilities fixed in Oracle Fusion Middleware productsncsc-nl · 2026-06-17
- criticalexploitedCVE-2025-61757: Oracle Fusion Middleware Missing Authentication for Critical Function Vulnerabilitycisa-kev · 2025-11-21
- criticalexploitedCVE-2020-2551: Oracle Fusion Middleware Unspecified Vulnerabilitycisa-kev · 2023-11-16
- criticalexploitedCVE-2012-1710: Oracle Fusion Middleware Unspecified Vulnerabilitycisa-kev · 2022-05-25
- criticalexploitedCVE-2012-0518: Oracle Fusion Middleware Unspecified Vulnerabilitycisa-kev · 2022-03-28
- criticalexploitedCVE-2012-3152: Oracle Fusion Middleware Unspecified Vulnerabilitycisa-kev · 2021-11-03
More from CISA Known Exploited Vulnerabilities
- criticalCVE-2026-48939: iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-56291: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-48908: JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-07
- criticalCVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability2026-07-07
- criticalCVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability2026-07-07