Vulnerability Description
In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vembu | Bdr Suite | < 4.2.0.1 |
| Vembu | Offsite Dr | < 4.2.0.1 |
Related Weaknesses (CWE)
References
- https://csirt.divd.nl/2021/05/11/Vembu-zero-days/Third Party Advisory
- https://csirt.divd.nl/cases/DIVD-2020-00011/Third Party Advisory
- https://csirt.divd.nl/cves/CVE-2021-26473/Third Party Advisory
- https://www.wbsec.nl/vembuBroken LinkThird Party Advisory
- https://csirt.divd.nl/2021/05/11/Vembu-zero-days/Third Party Advisory
- https://csirt.divd.nl/cases/DIVD-2020-00011/Third Party Advisory
- https://csirt.divd.nl/cves/CVE-2021-26473/Third Party Advisory
- https://www.wbsec.nl/vembuBroken LinkThird Party Advisory
FAQ
What is CVE-2021-26473?
CVE-2021-26473 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server...
How severe is CVE-2021-26473?
CVE-2021-26473 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-26473?
Check the references section above for vendor advisories and patch information. Affected products include: Vembu Bdr Suite, Vembu Offsite Dr.