How severe is CVE-2021-2432?

Low severity. CVSS v3 base score is 3.7 out of 10.

Is CVE-2021-2432 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mcafee Epolicy Orchestrator

CVE-2021-2432

Vulnerability in the Java SE product of Oracle Java SE (component: JNDI). The supported version that is affected is Java SE: 7u301. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

Published 2021-07-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.037 (89.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Mcafee Epolicy Orchestrator — versions 5.10.0
Oracle Jdk — versions 1.7.0
Oracle Corporation Java Se Jdk And Jre — versions Java SE:7u301

Public proof-of-concept exploits

security-as-code/rampart-spec

References

www.oracle.com/security-alerts/cpujul2021.html (Vendor Advisory)
www.oracle.com/security-alerts/cpuoct2021.html (Patch, Vendor Advisory)
security.netapp.com/advisory/ntap-20210723-0002/ (Third Party Advisory)
kc.mcafee.com/corporate/index (Third Party Advisory)
security.gentoo.org/glsa/202209-05 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2021-2432?: CVE-2021-2432 is a low-severity vulnerability in Mcafee Epolicy Orchestrator. CVSS score: 3.7/10. Published 2021-07-21.
How severe is CVE-2021-2432?: Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2021-2432 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.