Vulnerability in Vembu Bdr_suite

CVE-2021-26471

In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.

EPSS: 0.023 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-26471?
CVE-2021-26471 is a critical-severity vulnerability in Vembu Bdr_suite. CVSS score: 9.8/10. Published 2021-06-08.
How severe is CVE-2021-26471?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-26471 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.