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CVE-2020-21055

MEDIUMCVSS 6.5/10EPSS 1.18%

Last modified

CVE-2020-21055 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Directory Traversal vulnerability exists in FusionPBX 4.5.7 allows malicoius users to rename any file of the system.via the (1) folder, (2) filename, and (3) newfilename variables in app\edit\filerename.php.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

A Directory Traversal vulnerability exists in FusionPBX 4.5.7 allows malicoius users to rename any file of the system.via the (1) folder, (2) filename, and (3) newfilename variables in app\edit\filerename.php.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.18%

63.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FusionpbxFusionpbx4.5.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-21055?
A Directory Traversal vulnerability exists in FusionPBX 4.5.7 allows malicoius users to rename any file of the system.via the (1) folder, (2) filename, and (3) newfilename variables in app\edit\filerename.php.
How severe is CVE-2020-21055?
CVE-2020-21055 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21055?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-21055?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST