CVE-2021-33816
CRITICALCVSS 9.8/10EPSS 3.82%
Last modified
CVE-2021-33816 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.. EPSS estimates a 3.82% chance of exploitation in the next 30 days.
Description
The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.
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 |
|---|---|---|
| Dolibarr | Dolibarr Erp\/Crm | 13.0.2 |
References
- http://seclists.org/fulldisclosure/2021/Nov/39Exploit, Mailing List, Third Party Advisory
- https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txtExploit, Third Party Advisory
- https://trovent.io/security-advisory-2106-01Exploit, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Nov/39Exploit, Mailing List, Third Party Advisory
- https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txtExploit, Third Party Advisory
- https://trovent.io/security-advisory-2106-01Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33816?
The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.
How severe is CVE-2021-33816?
CVE-2021-33816 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.82% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33816?
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.
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-2021-33800In Druid 1.2.3, visiting the path with parameter in a certai…7.5
- CVE-2021-33805Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-33806The BDew BdLib library before 1.16.1.7 for Minecraft allows …9.8
- CVE-2021-33807Cartadis Gespage through 8.2.1 allows Directory Traversal in…7.5
- CVE-2021-33813An XXE issue in SAXBuilder in JDOM through 2.0.6 allows atta…7.5
- CVE-2021-33815dwa_uncompress in libavcodec/exr.c in FFmpeg 4.4 allows an o…8.8
- CVE-2021-33818An issue was discovered in UniFi Protect G3 FLEX Camera Vers…7.5
- CVE-2021-3382Stack buffer overflow vulnerability in gitea 1.9.0 through 1…7.5
- CVE-2021-33820An issue was discovered in UniFi Protect G3 FLEX Camera Vers…7.5
- CVE-2021-33822An issue was discovered on 4GEE ROUTER HH70VB Version HH70_E…7.5
- CVE-2021-33823An issue was discovered on MOXA Mgate MB3180 Version 2.1 Bui…7.5
- CVE-2021-33824An issue was discovered on MOXA Mgate MB3180 Version 2.1 Bui…7.5
Are you affected by CVE-2021-33816?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST