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nvd[email protected]NVD:CVE-2020-5763
HistoryJul 29, 2020 - 7:15 p.m.

CVE-2020-5763

2020-07-2919:15:15
CWE-326
CWE-489
[email protected]
web.nvd.nist.gov
1

CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.005

Percentile

76.5%

JSON

Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.

Affected configurations

Nvd
Node
grandstreamht801_firmwareRange≤1.0.17.5
AND
grandstreamht801Match-
Node
grandstreamht802_firmwareRange≤1.0.17.5
AND
grandstreamht802Match-
Node
grandstreamht812_firmwareRange≤1.0.17.5
AND
grandstreamht812Match-
Node
grandstreamht814_firmwareRange≤1.0.17.5
AND
grandstreamht814Match-
Node
grandstreamht818_firmwareRange≤1.0.17.5
AND
grandstreamht818Match-
Node
grandstreamht813_firmwareRange≤1.0.17.5
AND
grandstreamht813Match-
VendorProductVersionCPE
grandstreamht801_firmware*cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*
grandstreamht801-cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*
grandstreamht802_firmware*cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*
grandstreamht802-cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:*
grandstreamht812_firmware*cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*
grandstreamht812-cpe:2.3:h:grandstream:ht812:-:*:*:*:*:*:*:*
grandstreamht814_firmware*cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*
grandstreamht814-cpe:2.3:h:grandstream:ht814:-:*:*:*:*:*:*:*
grandstreamht818_firmware*cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*
grandstreamht818-cpe:2.3:h:grandstream:ht818:-:*:*:*:*:*:*:*
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1-10 of 121

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CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.005

Percentile

76.5%

JSON
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