CVE-2021-26472 json
Unauthenticated remote command execution with SYSTEM privileges in Vembu products
published 2021-06-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13277
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 installed on Windows, the http API located at /consumerweb/secure/download.php. Using this command argument an unauthenticated attacker can execute arbitrary OS commands with SYSTEM privileges.
Patch / fix
- vembu bdr_suite 4.2.0.1
- vembu offsite_dr 4.2.0.1
Exploit prediction
2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
csirt.divd.nl
/cases/DIVD-2020-00011/
third-party-advisory
-
csirt.divd.nl
/2021/05/11/Vembu-zero-days/
third-party-advisory
-
wbsec.nl
/vembu
broken-link, third-party-advisory
-
csirt.divd.nl
/cves/CVE-2021-26472/
third-party-advisory
Sources
- CVE List CVE-2021-26472
- NVD CVE-2021-26472
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