CVE-2019-13418: Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anon

Q: How do I fix CVE-2019-13418?

search guard: upgrade to 24.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-13418 being exploited?

CVE-2019-13418 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-13418 affect?

CVE-2019-13418 affects search guard. Severity is high (CVSS 7.5). Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anonymized.

Q: How urgent is CVE-2019-13418?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2019-13418 is a high-severity flaw (CVSS 7.5) affecting search guard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anonymized.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-311, CWE-129
Published	2019-08-12
Last modified	2026-06-17

Publisher (CNA): floragunn GmbH · Vendor: search-guard

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-08-12 22:15 UTCPublished CVE record published
2026-06-17 02:16 UTCUpdated Record last modified

search-guard search guard UPGRADE

Affected: < 24.0

Fixed in: 24.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy search-guard || rpm -q search-guard || search-guard --version

2. UPGRADE to 24.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade search-guard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade search-guard

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-13418?

search guard: upgrade to 24.0. Exact commands for each OS are on this page.

Is CVE-2019-13418 being exploited?

CVE-2019-13418 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-13418 affect?

CVE-2019-13418 affects search guard. Severity is high (CVSS 7.5). Search Guard versions before 24.0 had an issue that values of string arrays in documents are not properly anonymized.

How urgent is CVE-2019-13418?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

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References

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