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MitreCVE-2021-26471

HistoryJun 08, 2021 - 7:15 p.m.

CVE-2021-26471

2021-06-0819:15:08

mitre

web.nvd.nist.gov

cve-2021-26471

vembubdr

vembuoffsitedr

remote code execution

unauthenticated attack

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

68.5%

JSON

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.

Affected configurations

Nvd

Node

vembubdr_suiteRange<4.2.0.1

vembuoffsite_drRange<4.2.0.1

VendorProductVersionCPE
vembubdr_suite*cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:*
vembuoffsite_dr*cpe:2.3:a:vembu:offsite_dr:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
vembu	bdr_suite	*	cpe:2.3:a:vembu:bdr_suite::::::::
vembu	offsite_dr	*	cpe:2.3:a:vembu:offsite_dr::::::::

References

csirt.divd.nl/2021/05/11/Vembu-zero-days/

csirt.divd.nl/cases/DIVD-2020-00011/

csirt.divd.nl/cves/CVE-2021-26471/

www.wbsec.nl/vembu

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

68.5%

JSON

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