SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-6409

Modifying the name of the file to serve on the corresponding ap_form table leads to a path traversal vulnerability via the download.php q parameter.

EXPLOIT ✓MEDIUM 5.3EPSS 14.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

An issue was discovered in Appnitro MachForm before 4.2.3. The module in charge of serving stored files gets the path from the database. Modifying the name of the file to serve on the corresponding ap_form table leads to a path traversal vulnerability via the download.php q parameter.

CVSS 3.0
5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
14.09% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 30 May 2018
CISA KEV
Not listed
Weakness
CWE-22
Affected
machform/machform
Source
cve@mitre.org
EPSS trend
0%8%15%27 October 2026: 14.09%27 October 202627 October 2026

EPSS 14.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44804source ↗MachForm < 4.2.3 - SQL Injection / Path Traversal / Upload Bypassphp · Amine Taouirsawebapps30 May 2018yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.