Gotmls Anti-Malware Security and Bruteforce Firewall Plugin duplicator_download path traversal

Summaryinfo

A vulnerability marked as critical has been reported in Gotmls Anti-Malware Security and Bruteforce Firewall Plugin up to 4.20.72 on WordPress. Impacted is the function duplicator_download. Performing a manipulation of the argument File results in path traversal. This vulnerability is reported as CVE-2021-47977. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in Gotmls Anti-Malware Security and Bruteforce Firewall Plugin up to 4.20.72 on WordPress. This affects the function duplicator_download. The manipulation of the argument file with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. The summary by CVE is:

WordPress Plugin Anti-Malware Security and Bruteforce Firewall 4.20.59 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating the file parameter. Attackers can send requests to the duplicator_download action via admin-ajax.php with path traversal sequences to access sensitive system files outside the intended directory.

The weakness was disclosed by TheSmuggler as 50107. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-47977 since 05/16/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-34837). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Gotmls

Name

• Anti-Malware Security and Bruteforce Firewall Plugin

Version

• 4.20.0
• 4.20.1
• 4.20.2
• 4.20.3
• 4.20.4
• 4.20.5
• 4.20.6
• 4.20.7
• 4.20.8
• 4.20.9
• 4.20.10
• 4.20.11
• 4.20.12
• 4.20.13
• 4.20.14
• 4.20.15
• 4.20.16
• 4.20.17
• 4.20.18
• 4.20.19
• 4.20.20
• 4.20.21
• 4.20.22
• 4.20.23
• 4.20.24
• 4.20.25
• 4.20.26
• 4.20.27
• 4.20.28
• 4.20.29
• 4.20.30
• 4.20.31
• 4.20.32
• 4.20.33
• 4.20.34
• 4.20.35
• 4.20.36
• 4.20.37
• 4.20.38
• 4.20.39
• 4.20.40
• 4.20.41
• 4.20.42
• 4.20.43
• 4.20.44
• 4.20.45
• 4.20.46
• 4.20.47
• 4.20.48
• 4.20.49
• 4.20.50
• 4.20.51
• 4.20.52
• 4.20.53
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• 4.20.55
• 4.20.56
• 4.20.57
• 4.20.58
• 4.20.59
• 4.20.60
• 4.20.61
• 4.20.62
• 4.20.63
• 4.20.64
• 4.20.65
• 4.20.66
• 4.20.67
• 4.20.68
• 4.20.69
• 4.20.70
• 4.20.71
• 4.20.72

CPE 2.3info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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