How severe is CVE-2020-10996?

CVE-2020-10996 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10996?

CVE-2020-10996 affects Percona Xtradb Cluster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10996?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-10996 published?

CVE-2020-10996 was published on 2020-04-27 and last updated on 2026-06-17.

CVE-2020-10996

CVE-2020-10996 is a high-severity vulnerability in Percona Xtradb Cluster with a CVSS 3.x base score of 8.1. 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-798.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Percona Xtradb Cluster
Published: 2020-04-27
Last modified: 2026-06-17

Description

An issue was discovered in Percona XtraDB Cluster before 5.7.28-31.41.2. A bundled script inadvertently sets a static transition_key for SST processes in place of the random key expected.

Frequently asked questions

What is CVE-2020-10996?: An issue was discovered in Percona XtraDB Cluster before 5.7.28-31.41.2. A bundled script inadvertently sets a static transition_key for SST processes in place of the random key expected.
How severe is CVE-2020-10996?: CVE-2020-10996 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10996?: CVE-2020-10996 affects Percona Xtradb Cluster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-10996 published?: CVE-2020-10996 was published on 2020-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*

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