PatchTheCVECVE-2021-26472: In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 installed on Windows, the http API located at /co
CVE-2021-26472 is a critical-severity flaw (CVSS 10.0) affecting bdr suite, offsite dr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 10.0 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.5% (top 16%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2021-06-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-26472?
bdr suite: upgrade to 4.2.0.1; offsite dr: upgrade to 4.2.0.1. Exact commands for each OS are on this page.
Is CVE-2021-26472 being exploited?
CVE-2021-26472 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-26472 affect?
CVE-2021-26472 affects bdr suite, offsite dr. Severity is critical (CVSS 10.0). 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 SYST
How urgent is CVE-2021-26472?
Priority 61/100. Critical severity; Remotely exploitable, no login, no user action
Software pages
PHP vulnerabilities · Windows vulnerabilities
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