How severe is CVE-2020-25724?

CVE-2020-25724 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-25724 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25724?

CVE-2020-25724 primarily affects Redhat Resteasy. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25724?

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

When was CVE-2020-25724 published?

CVE-2020-25724 was published on 2021-05-26 and last updated on 2026-06-17.

CVE-2020-25724

CVE-2020-25724 is a medium-severity vulnerability in Redhat Resteasy with a CVSS 3.x base score of 4.3. 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-567.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-567
Affected product: Redhat Resteasy
Published: 2021-05-26
Last modified: 2026-06-17

Description

A flaw was found in RESTEasy, where an incorrect response to an HTTP request is provided. This flaw allows an attacker to gain access to privileged information. The highest threat from this vulnerability is to confidentiality and integrity. Versions before resteasy 2.0.0.Alpha3 are affected.

Frequently asked questions

What is CVE-2020-25724?: A flaw was found in RESTEasy, where an incorrect response to an HTTP request is provided. This flaw allows an attacker to gain access to privileged information. The highest threat from this vulnerability is to confidentiality and integrity. Versions before resteasy 2.0.0.Alpha3 are affected.
How severe is CVE-2020-25724?: CVE-2020-25724 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-25724 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25724?: CVE-2020-25724 primarily affects Redhat Resteasy. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25724?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25724 published?: CVE-2020-25724 was published on 2021-05-26 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:redhat:resteasy:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:resteasy:2.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:redhat:resteasy:2.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*

More vulnerabilities in Redhat Resteasy

CVE-2016-9606 — High (CVSS 8.1): JBoss RESTEasy before version 3.1.2 could be forced into parsing a request with YamlProvider, resulting in…
CVE-2018-1051 — High (CVSS 8.1): It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in…
CVE-2020-14326 — High (CVSS 7.5): A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding,…
CVE-2020-1695 — High (CVSS 7.5): A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to…
CVE-2016-6346 — High (CVSS 7.5): RESTEasy enables GZIPInterceptor, which allows remote attackers to cause a denial of service via unspecified vectors.
CVE-2014-3490 — High (CVSS 7.5): RESTEasy 2.3.1 before 2.3.8.SP2 and 3.x before 3.0.9, as used in Red Hat JBoss Enterprise Application Platform (EAP)…

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