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CVE-2021-26474

26
FAUCET Score

CVE-2021-26474 is a Cross-Site Request Forgery (CSRF) vulnerability affecting Vembu BDR Suite and Vembu Offsite DR products, allowing an attacker to execute non-blind, http-only requests. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction, and could lead to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.0CPE matchmatch criteria
cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:vembu:offsite_dr:4.2.0:*:*:*:*:*:*:*
4.2.0.1CPE matchmatch criteria
cpe:2.3:a:vembu:offsite_dr:4.2.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 51st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

csirt.divd.nl / 2021/05/11/Vembu-zero-days
Third Party Advisory
csirt.divd.nl / cases/DIVD-2020-00011
Third Party Advisory
csirt.divd.nl / cves/CVE-2021-26474
Third Party Advisory
wbsec.nl / vembu
Third Party Advisory