CVE-2021-44664
What it is
An Authenticated Remote Code Exection (RCE) vulnerability exists in Xerte through 3.9 in website_code/php/import/fileupload.php by uploading a maliciously crafted PHP file though the project interface disguised as a language file to bypasses the upload filters. Attackers can manipulate the files destination by abusing path traversal in the 'mediapath' variable.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 12.8% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 12.8% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 12.8% · EPSS, next 30 days
- Weakness
- CWE-22 · Path traversal
- Record status
- Modified
Affected
- Xerte ≤ 3.9
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-44664.md and follow it. Check whether this project is affected by CVE-2021-44664. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdc
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdc
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5
References
- http://packetstormsecurity.com/files/166182/Xerte-3.9-Remote-Code-Execution.html
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdc
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5
- https://riklutz.nl/2021/11/03/authenticated-file-upload-to-remote-code-execution-in-xerte/
- http://packetstormsecurity.com/files/166182/Xerte-3.9-Remote-Code-Execution.html
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdc
- https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5
- https://riklutz.nl/2021/11/03/authenticated-file-upload-to-remote-code-execution-in-xerte/