Known exploited vulnerability
CVE-2021-35587
The short answer
CVE-2021-35587 affects Oracle Corporation Access Manager and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-11-28: attackers are using it, so patch it first.
What it is
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).
Weakness: CWE-306.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 28, 2022
Federal due date Dec 19, 2022
EPSS, next 30 days
96%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Access Manager. NVD's record lists the exact affected versions.
References
- www.oracle.com/security-alerts/cpujan2022.html Vendor Advisory
- www.oracle.com/security-alerts/cpujan2022.html Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587 US Government Resource
Questions
Is CVE-2021-35587 being exploited?
Yes. CISA added CVE-2021-35587 to its Known Exploited Vulnerabilities catalog on 2022-11-28, with a federal remediation due date of 2022-12-19.
How do I fix CVE-2021-35587?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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