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cve[email protected]CVE-2020-14145
HistoryJun 29, 2020 - 6:15 p.m.

CVE-2020-14145

2020-06-2918:15:11
CWE-203
[email protected]
web.nvd.nist.gov
13126
10
cve-2020-14145
openssh
information leak
algorithm negotiation
man-in-the-middle attackers
nvd
security vulnerability

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

70.9%

JSON

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected.

Affected configurations

NVD
Node
openbsdopensshRange5.7–8.4
OR
openbsdopensshMatch8.4-
OR
openbsdopensshMatch8.5-
OR
openbsdopensshMatch8.6-
Node
netappaff_a700sMatch-
AND
netappaff_a700s_firmwareMatch-
Node
netappactive_iq_unified_managerRange9.5≥vmware_vsphere
OR
netapphci_management_nodeMatch-
OR
netappontap_select_deploy_administration_utilityMatch-
OR
netappsolidfireMatch-
OR
netappsteelstore_cloud_integrated_storageMatch-
OR
netapphci_compute_nodeMatch-
OR
netapphci_storage_nodeMatch-

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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

70.9%

JSON
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