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MitreCVE-2020-21056

HistoryMay 20, 2021 - 4:15 p.m.

CVE-2020-21056

2021-05-2016:15:07

CWE-22

mitre

web.nvd.nist.gov

cve-2020-21056

directory traversal

fusionpbx

security vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

23.6%

JSON

Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\edit\foldernew.php.

Affected configurations

Nvd

Node

fusionpbxfusionpbxMatch4.5.7

VendorProductVersionCPE
fusionpbxfusionpbx4.5.7cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
fusionpbx	fusionpbx	4.5.7	cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:::::::*

References

github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa

resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

23.6%

JSON

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