CVE-2023-5992

What it is

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2024-01-31 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-05 12:17 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.2% in the next 30 days (EPSS).
• Severity: 5.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2024-01-31 14:15 UTC

Last modified

2026-11-05 12:17 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-203

Record status

Modified

Affected

• Opensc Project Opensc < 0.25.0
• Redhat Enterprise Linux 7.0
• Redhat Enterprise Linux 8.0
• Redhat Enterprise Linux 9.0
• Redhat Enterprise Linux Eus 9.4
• Redhat Enterprise Linux For Arm 64 8.0_aarch64
• Redhat Enterprise Linux For Arm 64 9.0_aarch64
• Redhat Enterprise Linux For Arm 64 Eus 9.4_aarch64

Attack profile CVSS 3.1 · 5.6

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-5992.md and follow it. Check whether this project is affected by CVE-2023-5992. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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