CVE-2020-1749

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1749	Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20201222-0001/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1749	Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20201222-0001/

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_mrg:2.0:::::::*

History

21 Nov 2024, 05:11

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1749 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1749 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://security.netapp.com/advisory/ntap-20201222-0001/ -~~	() https://security.netapp.com/advisory/ntap-20201222-0001/ -

Information

Published : 2020-09-09 15:15

Updated : 2024-11-21 05:11

NVD link : CVE-2020-1749

Mitre link : CVE-2020-1749

CVE.ORG link : CVE-2020-1749

JSON object : View

Products Affected

redhat

enterprise_mrg
enterprise_linux

linux

linux_kernel

CWE

CWE-319

Cleartext Transmission of Sensitive Information

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