What’s Vulnerable › Vulnerabilities

CVE-2021-26474: UNAUTHENTICATED SERVER SIDE REQUEST FORGERY IN VEMBU PRODUCTS

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-08 · updated 2026-06-17
• Weakness: CWE-352

Description

Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.)

Affected products

• Vembu Bdr Suite: before 4.2.0 — fixed in 4.2.0
• Vembu Offsite Dr: 4.2.0, 4.2.0.1

How to fix

Upgrade to a fixed version: Vembu Bdr Suite 4.2.0. Check the vendor advisory for mitigations.

References

• https://csirt.divd.nl/2021/05/11/Vembu-zero-days/
• https://csirt.divd.nl/cases/DIVD-2020-00011/
• https://csirt.divd.nl/cves/CVE-2021-26474/
• https://www.wbsec.nl/vembu
• https://csirt.divd.nl/2021/05/11/Vembu-zero-days/
• https://csirt.divd.nl/cases/DIVD-2020-00011/
• https://csirt.divd.nl/cves/CVE-2021-26474/
• https://www.wbsec.nl/vembu

Get alerted when CVE-2021-26474 or the next vulnerability affects your stack