What is CVE-2018-20604?

CVE-2018-20604 is a medium-severity vulnerability in Lfdycms Lei Feng Tv Cms, classified under Path Traversal. CVSS score: 4.9/10. Published 2018-12-30.

How severe is CVE-2018-20604?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Is CVE-2018-20604 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Lfdycms Lei Feng Tv Cms

CVE-2018-20604

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (70.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Lfdycms Lei Feng Tv Cms — versions 3.8.6

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

superlink996/chunqiuyunjingbachang

References

github.com/AvaterXXX/CVEs/blob/master/lfdycms.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20604?: CVE-2018-20604 is a medium-severity vulnerability in Lfdycms Lei Feng Tv Cms, classified under Path Traversal. CVSS score: 4.9/10. Published 2018-12-30.
How severe is CVE-2018-20604?: Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2018-20604 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.