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[email protected]NVD:CVE-2021-42911

HistoryMar 29, 2022 - 8:15 p.m.

CVE-2021-42911

2022-03-2920:15:07

CWE-134

[email protected]

web.nvd.nist.gov

7.5 High

CVSS2

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

9.8 High

CVSS3

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

0.008 Low

EPSS

Percentile

81.1%

JSON

A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code.

Affected configurations

NVD

Node

draytekvigor2960_firmwareRange≤1.5.1.3

AND

draytekvigor2960Match-

Node

draytekvigor3900_firmwareRange≤1.5.1.3

AND

draytekvigor3900Match-

Node

draytekvigor300b_firmwareRange≤1.5.1.3

AND

draytekvigor300bMatch-

References

gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835

7.5 High

CVSS2

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

9.8 High

CVSS3

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

0.008 Low

EPSS

Percentile

81.1%

JSON

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