CVE-2021-26471

moderate-risk
Published 2021-06-08

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.

Do I need to act?

~
7.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Bdr Suite
Offsite Dr

Affected Vendors

Vembu

References (8)

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-2021-26471/
Broken Link https://www.wbsec.nl/vembu
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-2021-26471/
Broken Link https://www.wbsec.nl/vembu
49
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 10/34 · Low
Exposure 7/34 · Low