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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.023 (82.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- csirt.divd.nl/cves/CVE-2021-26471/ (Third Party Advisory)
- csirt.divd.nl/cases/DIVD-2020-00011/ (Third Party Advisory)
- csirt.divd.nl/2021/05/11/Vembu-zero-days/ (Third Party Advisory)
- www.wbsec.nl/vembu (Third Party Advisory, Broken Link)
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.