CVE-2020-10996 — An issue was discovered in Percona XtraDB Cluster before 5

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-04-27T12:45:01.000Z
• Last modified: 2024-08-04T11:21:14.225Z

09References

• jira.percona.com — https://jira.percona.com/browse/PXC-3117
• www.percona.com — https://www.percona.com/blog/2020/04/20/cve-2020-10996-percona-xtradb-cluster-ss…
• www.percona.com — https://www.percona.com/doc/percona-xtradb-cluster/LATEST/release-notes/Percona-…