Vulnerability Details : 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.
Products affected by CVE-2021-26471
- cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:*
- cpe:2.3:a:vembu:offsite_dr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26471
7.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26471
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
MITRE | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2021-26471
-
https://csirt.divd.nl/cases/DIVD-2020-00011/
DIVD-2020-00011 - Four critical vulnerabilities in Vembu BDR | DIVD CSIRTThird Party Advisory
-
https://csirt.divd.nl/cves/CVE-2021-26471/
Unauthenticated remote command execution | DIVD CSIRTThird Party Advisory
-
https://csirt.divd.nl/2021/05/11/Vembu-zero-days/
Vembu Zero Days | DIVD CSIRTThird Party Advisory
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