CVE-2021-40887
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Projectsend | Projectsend | r1295 |
References
- https://github.com/projectsend/projectsend/issues/994Exploit, Third Party Advisory
- https://github.com/projectsend/projectsend/issues/994Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40887?
How severe is CVE-2021-40887?
How do I fix CVE-2021-40887?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-4088SQL injection vulnerability in Data Loss Protection (DLP) eP…7.2
- CVE-2021-40881An issue in the BAT file parameters of PublicCMS v4.0 allows…9.8
- CVE-2021-40882A Cross Site Scripting (XSS) vulnerability exists in Piwigo …6.1
- CVE-2021-40883A Remote Code Execution (RCE) vulnerability exists in emlog …9.8
- CVE-2021-40884Projectsend version r1295 is affected by sensitive informati…8.1
- CVE-2021-40886Projectsend version r1295 is affected by a directory travers…6.5
- CVE-2021-40888Projectsend version r1295 is affected by Cross Site Scriptin…5.4
- CVE-2021-40889CMSUno version 1.7.2 is affected by a PHP code execution vul…9.8
- CVE-2021-4089snipe-it is vulnerable to Improper Access Control4.3
- CVE-2021-40892A Regular Expression Denial of Service (ReDOS) vulnerability…7.5
- CVE-2021-40893A Regular Expression Denial of Service (ReDOS) vulnerability…7.5
- CVE-2021-40894A Regular Expression Denial of Service (ReDOS) vulnerability…7.5
Are you affected by CVE-2021-40887?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST