CVE-2020-1729

What it is

A flaw was found in SmallRye's API through version 1.6.1. The API can allow other code running within the application server to potentially obtain the ClassLoader, bypassing any permissions checks that should have been applied. The largest threat from this vulnerability is a threat to data confidentiality. This is fixed in SmallRye 1.6.2

At a glance

Exploitability

Can be exploited locally on the machine with an admin-level account. High risk of data exposure.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2021-05-28 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:02 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 4.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-05-28 14:15 UTC

Last modified

2026-06-17 03:02 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-863 · Incorrect authorization

Record status

Modified

Affected

• Redhat Smallrye Config < 1.6.2

Attack profile CVSS 3.1 · 4.4

Attack vector

Local

Complexity

Low

Privileges needed

High

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

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-2020-1729.md and follow it. Check whether this project is affected by CVE-2020-1729. 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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