CVE-2020-25645
Advisory lineage Upstream: 0 Downstream: 41
Modified
Published: 13 Oct 2020, 19:52
Last modified:04 Aug 2024, 15:40
Vulnerability Summary
Overall Risk (default)
medium
40/100 CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.39% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
13 Oct 2020, 19:52
Published
Vulnerability first disclosed
04 Aug 2024, 15:40
Last Modified
Vulnerability information updated
Description
A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.39%• Percentile: 61%
Techniques & Countermeasures
- CWE-319•Cleartext Transmission of Sensitive Information
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 20.04
- debian•debian_linux
9.0 | 10.0
- linux•linux_kernel
< 5.9.0 | 5.9.0 | 5.9.0:rc1 | 5.9.0:rc2 | 5.9.0:rc3 | 5.9.0:rc4 | 5.9.0:rc5 | 5.9.0:rc6
- netapp•hci_compute_node_firmware
na
- netapp•solidfire_\&_hci_management_node
na
- netapp•solidfire_\&_hci_storage_node
na
- opensuse•leap
15.1 | 15.2
References (8)
- https://bugzilla.redhat.com/show_bug.cgi?id=1883988
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
- https://www.debian.org/security/2020/dsa-4774
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
- https://security.netapp.com/advisory/ntap-20201103-0004/
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html