CVE-2021-44664
CVE-2021-44664 is a high-severity vulnerability in Xerte with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 13% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Xerte
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-44664?
- 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.
- How severe is CVE-2021-44664?
- CVE-2021-44664 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-44664 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44664?
- CVE-2021-44664 affects Xerte. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-44664?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-44664 published?
- CVE-2021-44664 was published on 2022-02-24 and last updated on 2026-06-17.
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/
Affected products (1)
- cpe:2.3:a:xerte:xerte:*:*:*:*:*:*:*:*
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