CVE-2020-25645

Aliases:UBUNTU-CVE-2020-25645DEBIAN-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
2.43% LOW
2% probability +2.07%
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: 2.43%• Percentile: 84%

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•linux

    < 5.8.14-1 | < 5.8.14-1 | < 5.8.14-1 | < 5.8.14-1

  • ubuntu•linux

    < 4.4.0-197.229 | < 4.15.0-126.129 | < 5.4.0-56.62

  • ubuntu•linux-aws

    < 4.4.0-1082.86 | < 4.4.0-1118.132 | < 4.15.0-1088.93 | < 5.4.0-1030.31

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1030.31~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2031.32 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1088.93~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1100.111~14.04.1 | < 4.15.0-1100.111~16.04.1 | all | < 5.4.0-1032.33

  • ubuntu•linux-azure-4.15

    < 4.15.0-1100.111

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1032.33~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2013.15 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1007.11

  • ubuntu•linux-fips

    < 4.4.0-1051.57 | all | < 4.15.0-1046.53

  • ubuntu•linux-gcp

    < 4.15.0-1088.101~16.04.1 | all | < 5.4.0-1030.32

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1088.101

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke-4.15

    < 4.15.0-1074.79

  • ubuntu•linux-gke-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1005.6

  • ubuntu•linux-hwe

    < 4.15.0-126.129~16.04.1 | all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-56.62~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1084.93 | < 4.15.0-1079.81 | < 5.4.0-1028.29

  • ubuntu•linux-lts-xenial

    < 4.4.0-197.229~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1103.114

  • ubuntu•linux-oem-5.6

    < 5.6.0-1053.57

  • ubuntu•linux-oracle

    < 4.15.0-1059.65~16.04.1 | < 4.15.0-1059.65 | < 5.4.0-1030.32

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1030.32~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1023.26

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1023.26~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1142.152 | < 4.15.0-1074.79 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    < 5.4.0-37.42

  • ubuntu•linux-snapdragon

    < 4.4.0-1146.156 | < 4.15.0-1091.100

  • 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

    na

  • netapp•solidfire_\&_hci_management_node

    na

Showing first 50 affected entries in server-rendered view.

References (16)