Vulnerability · Published Jun 8, 2021 · Assigned by mitre
CVE-2021-26473Unauthenticated arbitrary file upload and command execution in Vembu products
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.8%top 22.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://csirt.divd.nl/cases/DIVD-2020-00011/ x_refsource_CONFIRM
- https://csirt.divd.nl/2021/05/11/Vembu-zero-days/ x_refsource_CONFIRM
- https://www.wbsec.nl/vembu x_refsource_CONFIRM
- https://csirt.divd.nl/cves/CVE-2021-26473/ x_refsource_CONFIRM