How severe is CVE-2021-35587?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-35587 known to be exploited?

Yes. CVE-2021-35587 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-11-28), indicating it is being actively exploited. 33 public proof-of-concept repositories are indexed.

Vulnerability in Oracle Corporation Access Manager

CVE-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 unauthentica…

EPSS: 0.943 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Corporation Access Manager — versions 11.1.2.3.0, 12.2.1.3.0, 12.2.1.4.0

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-11-28. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-12-19.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.oracle.com/security-alerts/cpujan2022.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-35587?: CVE-2021-35587 is a critical-severity vulnerability in Oracle Corporation Access Manager. CVSS score: 9.8/10. Published 2022-01-19.
How severe is CVE-2021-35587?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-35587 known to be exploited?: Yes. CVE-2021-35587 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-11-28), indicating it is being actively exploited. 33 public proof-of-concept repositories are indexed.