PMB 5.6 - 'chemin' Local File Disclosure

published 2026-01-28 9 mo ago modified 2026-07-15 3 mo ago also EUVD-2020-30877

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

PMB 5.6 contains a local file disclosure vulnerability in getgif.php that allows attackers to read arbitrary system files by manipulating the 'chemin' parameter. Attackers can exploit the unsanitized file path input to access sensitive files like /etc/passwd by sending crafted requests to the getgif.php endpoint.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 9 mo ago (2026-01-28)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/49054 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	4.0	6.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

PMB Services PMB Services

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

exploit-db.com /exploits/49054
exploit
sigb.net
product
forge.sigb.net /redmine/projects/pmb/files
product
vulncheck.com /advisories/pmb-chemin-local-file-disclosure
third-party-advisory

Sources

CVE List CVE-2020-36970
NVD CVE-2020-36970

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary