How severe is CVE-2020-1729?

CVE-2020-1729 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-1729 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1729?

CVE-2020-1729 affects Redhat Smallrye Config. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1729?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-1729 published?

CVE-2020-1729 was published on 2021-05-28 and last updated on 2026-06-17.

CVE-2020-1729

CVE-2020-1729 is a medium-severity vulnerability in Redhat Smallrye Config with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Redhat Smallrye Config
Published: 2021-05-28
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2020-1729?: 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
How severe is CVE-2020-1729?: CVE-2020-1729 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-1729 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1729?: CVE-2020-1729 affects Redhat Smallrye Config. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1729?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1729 published?: CVE-2020-1729 was published on 2021-05-28 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1802444

Affected products (1)

cpe:2.3:a:redhat:smallrye_config:*:*:*:*:*:*:*:*

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