CVE-2018-20064: doorGets 7.0 allows remote attackers to write to arbitrary files via directory traversal, as demonstrated by a

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HIGH 7.5REMOTEDOWNGRADE

CVE-2018-20064 is a high-severity flaw (CVSS 7.5) affecting doorgets. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

doorGets 7.0 allows remote attackers to write to arbitrary files via directory traversal, as demonstrated by a dg-user/?controller=theme&action=edit&name=doorgets&file=../../1.txt%00 URI with content in the theme_content_nofi parameter.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-12-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: doorgets

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

Am I affected?

Timeline

2018-12-11 20:29 UTCPublished CVE record published
2026-06-17 01:52 UTCUpdated Record last modified

doorgets doorgets DOWNGRADE

Affected: 7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy doorgets || rpm -q doorgets || doorgets --version

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison doorgets sudo apt install doorgets=<VERSION_BEFORE_7.0> sudo apt-mark hold doorgets

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

dnf --showduplicates list doorgets sudo dnf downgrade doorgets-<VERSION_BEFORE_7.0> sudo dnf versionlock add doorgets

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-2018-20064?

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

Is CVE-2018-20064 being exploited?

CVE-2018-20064 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-2018-20064 affect?

CVE-2018-20064 affects doorgets. Severity is high (CVSS 7.5). doorGets 7.0 allows remote attackers to write to arbitrary files via directory traversal, as demonstrated by a dg-user/?controller=theme&action=edit&name=doorgets&file=../../1.txt%00 URI with content in the theme_content_nofi parameter.

How urgent is CVE-2018-20064?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-11126 HIGH 8.8 DOWNGRADE dg-user/?controller=users&action=add in doorGets 7.0 has CSRF that results in adding an administrator account.

References

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