CVE-2021-26472

Name: CVE-2021-26472
Creator: NVD / NIST
Published: 2021-06-08T19:15:08.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.46%

Last modified Jun 17, 2026

CVE-2021-26472 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.46%

82.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Vembu	Bdr Suite	< 4.2.0.1
Vembu	Offsite Dr	< 4.2.0.1

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-2021-26472/Third Party Advisory
https://www.wbsec.nl/vembuBroken Link, Third 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-2021-26472/Third Party Advisory
https://www.wbsec.nl/vembuBroken Link, Third Party Advisory

Timeline

Published: Jun 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26472?

How severe is CVE-2021-26472?

CVE-2021-26472 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26472?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26472?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST