Search Guard versions before 21.0 had an timing side channel issue when using the internal user database.
CVE-2019-13420
MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence
This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 48% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.9Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.9
- EG Score
- 5.9(medium)
- EPSS
- 64.3%
- KEV
- Not listed
Published
August 13, 2019
Last Modified
November 21, 2024
References (4)
- security@search-guardhttps://docs.search-guard.com/6.x-21/changelog-searchguard-6-x-21_0
- security@search-guardhttps://search-guard.com/cve-advisory/
- af854a3a-2127-422b-91ae-364da2661108https://docs.search-guard.com/6.x-21/changelog-searchguard-6-x-21_0
- af854a3a-2127-422b-91ae-364da2661108https://search-guard.com/cve-advisory/
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2019-13420?
CVE-2019-13420 is a medium vulnerability published on August 13, 2019. Search Guard versions before 21.0 had an timing side channel issue when using the internal user database.
When was CVE-2019-13420 disclosed?
CVE-2019-13420 was first published in the National Vulnerability Database on August 13, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-13420 actively exploited?
CVE-2019-13420 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-13420?
CVE-2019-13420 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2019-13420?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-13420, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-13420
Is Your Infrastructure Affected by CVE-2019-13420?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.