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CVE-2021-40887

CRITICALCVSS 9.8/10EPSS 2.29%

Last modified

CVE-2021-40887 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Projectsend version r1295 is affected by a directory traversal vulnerability. Because of lacking sanitization input for files[] parameter, an attacker can add ../ to move all PHP files or any file on the system that has permissions to /upload/files/ folder.. EPSS estimates a 2.29% chance of exploitation in the next 30 days.

Description

Projectsend version r1295 is affected by a directory traversal vulnerability. Because of lacking sanitization input for files[] parameter, an attacker can add ../ to move all PHP files or any file on the system that has permissions to /upload/files/ folder.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
2.29%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ProjectsendProjectsendr1295

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-40887?
Projectsend version r1295 is affected by a directory traversal vulnerability. Because of lacking sanitization input for files[] parameter, an attacker can add ../ to move all PHP files or any file on the system that has permissions to /upload/files/ folder.
How severe is CVE-2021-40887?
CVE-2021-40887 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40887?
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-2021-40887?

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

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Source: NVD / NIST