How severe is CVE-2020-10740?

CVE-2020-10740 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10740?

CVE-2020-10740 affects Redhat Wildfly. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10740?

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

When was CVE-2020-10740 published?

CVE-2020-10740 was published on 2020-06-22 and last updated on 2026-06-17.

CVE-2020-10740

CVE-2020-10740 is a medium-severity vulnerability in Redhat Wildfly with a CVSS 3.x base score of 6.6. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 6.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Redhat Wildfly
Published: 2020-06-22
Last modified: 2026-06-17

Description

A vulnerability was found in Wildfly in versions before 20.0.0.Final, where a remote deserialization attack is possible in the Enterprise Application Beans(EJB) due to lack of validation/filtering capabilities in wildfly.

Frequently asked questions

What is CVE-2020-10740?: A vulnerability was found in Wildfly in versions before 20.0.0.Final, where a remote deserialization attack is possible in the Enterprise Application Beans(EJB) due to lack of validation/filtering capabilities in wildfly.
How severe is CVE-2020-10740?: CVE-2020-10740 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10740?: CVE-2020-10740 affects Redhat Wildfly. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10740 published?: CVE-2020-10740 was published on 2020-06-22 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10740

Affected products (1)

cpe:2.3:a:redhat:wildfly:*:*:*:*:*:*:*:*

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