Is CVE-2021-2351 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 3%.

What products does CVE-2021-2351 affect?

Tracked products affected include PeopleSoft Enterprise PeopleTools. Check the version you run to see whether it is affected.

How do I fix CVE-2021-2351?

Apply the vendor fix promptly. An official patch or advisory is available. Upgrade affected products to a fixed version.

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CVE-2021-2351

Q: What is CVE-2021-2351?

CVE-2021-2351 is a high-severity software vulnerability (CWE-327) with a CVSS score of 8.3. Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access

HIGH severity · CVSS 8.3 · CWE-327

8.3CVSS HIGH

Summary

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: The July 2021 Critical Patch Update introduces a number of Native Network Encryption changes to deal with vulnerability CVE-2021-2351 and prevent the use of weaker ciphers. Customers should review: "Changes in Native Network Encryption with the July 2021 Critical Patch Update" (Doc ID 2791571.1). CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

Impact & exploitability

Attack vectorNetwork

Attack complexityHigh

Privileges requiredNone

User interactionRequired

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)3%

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products we track (1)

PeopleSoft Enterprise PeopleTools

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://www.oracle.com/security-alerts/cpuapr2022.html ↗

CVE-2021-2351

Summary

Impact & exploitability

Affected products we track (1)

Recommendation

Additional information