CVE-2020-25645

High

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.

Package Linux Kernel
Published 2020-10-13
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-319

CVE-2020-25645 is classified as CWE-319

See CWE-319 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2020-25645 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2020-25645?

    CVE-2020-25645 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2020-25645 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2020-25645?

    CVE-2020-25645 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N .

  • Is there a patch available for CVE-2020-25645?

    No patch is currently available for CVE-2020-25645. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2020-25645 actively exploited?

    No — CVE-2020-25645 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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