CVE-2017-6344: XML External Entity (XXE) vulnerability in Grails PDF Plugin 0.6 allows remote attackers to read arbitrary fil

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MEDIUM 5.9DOWNGRADE

CVE-2017-6344 is a medium-severity flaw (CVSS 5.9) affecting pdf plugin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

XML External Entity (XXE) vulnerability in Grails PDF Plugin 0.6 allows remote attackers to read arbitrary files via a crafted XML document.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-611
Published	2017-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: grails

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

Am I affected?

Timeline

2017-02-27 07:59 UTCPublished CVE record published
2026-06-17 01:22 UTCUpdated Record last modified

grails pdf plugin DOWNGRADE

Affected: 0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6

1. Check installed version

apt-cache policy pdf-plugin || rpm -q pdf-plugin || pdf-plugin --version

2. No fixed release: DOWNGRADE to a release before 0.6 (Debian / Ubuntu)

apt-cache madison pdf-plugin sudo apt install pdf-plugin=<VERSION_BEFORE_0.6> sudo apt-mark hold pdf-plugin

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pdf-plugin sudo dnf downgrade pdf-plugin-<VERSION_BEFORE_0.6> sudo dnf versionlock add pdf-plugin

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-6344?

pdf plugin: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-6344 being exploited?

CVE-2017-6344 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-2017-6344 affect?

CVE-2017-6344 affects pdf plugin. Severity is medium (CVSS 5.9). XML External Entity (XXE) vulnerability in Grails PDF Plugin 0.6 allows remote attackers to read arbitrary files via a crafted XML document.

How urgent is CVE-2017-6344?

Priority 43/100. Public exploit reference

References

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