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[email protected]NVD:CVE-2020-3924

HistoryFeb 27, 2020 - 4:15 a.m.

CVE-2020-3924

2020-02-2704:15:10

CWE-77

[email protected]

web.nvd.nist.gov

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

7.3

Confidence

High

EPSS

0.002

Percentile

61.8%

JSON

DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.

Affected configurations

Nvd

Node

tonnettat-77104g1_firmwareRange≤tat-77104g1_20190107

AND

tonnettat-77104g1Match-

Node

tonnettat-70432n_firmwareRange≤tat-77208g1_20181225

AND

tonnettat-70432nMatch-

Node

tonnettat-71416g1_firmwareRange≤tat-71416g1_20181225

AND

tonnettat-71416g1Match-

Node

tonnettat-71832g1_firmwareRange≤tat-71832g1_20190510

AND

tonnettat-71832g1Match-

Node

tonnettat-76104g3_firmwareRange≤20181220_76104g3

AND

tonnettat-76104g3Match-

Node

tonnettat-76108g3_firmwareRange≤20181221_76208g3

AND

tonnettat-76108g3Match-

Node

tonnettat-76116g3_firmwareRange≤20181221_76216g3

AND

tonnettat-76116g3Match-

Node

tonnettat-76132g3_firmwareRange≤tat-70832g3_20181221-1

AND

tonnettat-76132g3Match-

VendorProductVersionCPE
tonnettat-77104g1_firmware*cpe:2.3:o:tonnet:tat-77104g1_firmware:*:*:*:*:*:*:*:*
tonnettat-77104g1-cpe:2.3:h:tonnet:tat-77104g1:-:*:*:*:*:*:*:*
tonnettat-70432n_firmware*cpe:2.3:o:tonnet:tat-70432n_firmware:*:*:*:*:*:*:*:*
tonnettat-70432n-cpe:2.3:h:tonnet:tat-70432n:-:*:*:*:*:*:*:*
tonnettat-71416g1_firmware*cpe:2.3:o:tonnet:tat-71416g1_firmware:*:*:*:*:*:*:*:*
tonnettat-71416g1-cpe:2.3:h:tonnet:tat-71416g1:-:*:*:*:*:*:*:*
tonnettat-71832g1_firmware*cpe:2.3:o:tonnet:tat-71832g1_firmware:*:*:*:*:*:*:*:*
tonnettat-71832g1-cpe:2.3:h:tonnet:tat-71832g1:-:*:*:*:*:*:*:*
tonnettat-76104g3_firmware*cpe:2.3:o:tonnet:tat-76104g3_firmware:*:*:*:*:*:*:*:*
tonnettat-76104g3-cpe:2.3:h:tonnet:tat-76104g3:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tonnet	tat-77104g1_firmware	*	cpe:2.3:o:tonnet:tat-77104g1_firmware::::::::
tonnet	tat-77104g1	-	cpe:2.3:h:tonnet:tat-77104g1:-:::::::*
tonnet	tat-70432n_firmware	*	cpe:2.3:o:tonnet:tat-70432n_firmware::::::::
tonnet	tat-70432n	-	cpe:2.3:h:tonnet:tat-70432n:-:::::::*
tonnet	tat-71416g1_firmware	*	cpe:2.3:o:tonnet:tat-71416g1_firmware::::::::
tonnet	tat-71416g1	-	cpe:2.3:h:tonnet:tat-71416g1:-:::::::*
tonnet	tat-71832g1_firmware	*	cpe:2.3:o:tonnet:tat-71832g1_firmware::::::::
tonnet	tat-71832g1	-	cpe:2.3:h:tonnet:tat-71832g1:-:::::::*
tonnet	tat-76104g3_firmware	*	cpe:2.3:o:tonnet:tat-76104g3_firmware::::::::
tonnet	tat-76104g3	-	cpe:2.3:h:tonnet:tat-76104g3:-:::::::*

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References

tvn.twcert.org.tw/taiwanvn/TVN-201910004

www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

7.3

Confidence

High

EPSS

0.002

Percentile

61.8%

JSON

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