VulnerabilityModified

CVE-2021-26472

Using this command argument an unauthenticated attacker can execute arbitrary OS commands with SYSTEM privileges.

CRITICAL 9.8EPSS 2.46%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 2.46% probability · 84th percentile
CISA KEV: Not listed
Weakness: CWE-78
Affected: vembu/bdr suite · vembu/offsite dr
Source: cve@mitre.org

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.