CVE-2018-20604: Lei Feng TV CMS (aka LFCMS) 3.8.6 allows Directory Traversal via crafted use of ..* in Template/edit/path URIs

This month

MEDIUM 4.9DOWNGRADE

CVE-2018-20604 is a medium-severity flaw (CVSS 4.9) affecting lei feng tv cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Lei Feng TV CMS (aka LFCMS) 3.8.6 allows Directory Traversal via crafted use of ..* in Template/edit/path URIs, as demonstrated by the admin.php?s=/Template/edit/path/*web*..*..*..*..*1.txt.html URI to read the 1.txt file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-12-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lfdycms

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

Am I affected?

Timeline

2018-12-30 21:29 UTCPublished CVE record published
2026-06-17 01:53 UTCUpdated Record last modified

lfdycms lei feng tv cms DOWNGRADE

Affected: 3.8.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.8.6

1. Check installed version

apt-cache policy lei-feng-tv-cms || rpm -q lei-feng-tv-cms || lei-feng-tv-cms --version

2. No fixed release: DOWNGRADE to a release before 3.8.6 (Debian / Ubuntu)

apt-cache madison lei-feng-tv-cms sudo apt install lei-feng-tv-cms=<VERSION_BEFORE_3.8.6> sudo apt-mark hold lei-feng-tv-cms

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

dnf --showduplicates list lei-feng-tv-cms sudo dnf downgrade lei-feng-tv-cms-<VERSION_BEFORE_3.8.6> sudo dnf versionlock add lei-feng-tv-cms

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-2018-20604?

lei feng tv cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-20604 being exploited?

CVE-2018-20604 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-2018-20604 affect?

CVE-2018-20604 affects lei feng tv cms. Severity is medium (CVSS 4.9). Lei Feng TV CMS (aka LFCMS) 3.8.6 allows Directory Traversal via crafted use of ..* in Template/edit/path URIs, as demonstrated by the admin.php?s=/Template/edit/path/*web*..*..*..*..*1.txt.html URI to read the 1.txt file.

How urgent is CVE-2018-20604?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-20603 HIGH 8.8 DOWNGRADE Lei Feng TV CMS (aka LFCMS) 3.8.6 allows admin.php?s=/Member/add.html CSRF.
CVE-2018-20602 HIGH 7.5 DOWNGRADE Lei Feng TV CMS (aka LFCMS) 3.8.6 allows full path disclosure via the /install.php?s=/1 URI.

References

← Back to latest CVEs