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CVE-2020-25645

Affected software3 products, listed below
Severity7.5 High CVSS 3.1 2 scores
WeaknessCWE-319
Published13 Oct 2020
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.
  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 2.4% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

7.5 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N NVD Primary published
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:P/I:N/A:N NVD Primary

Affected software and releases

Products and versions

7 products, 19 version entries
SourceVendorProductSchemeAffected versions
nvd canonical ubuntu linux generic 14.04 · 16.04 · 18.04 · 20.04
nvd debian debian linux generic 9.0 · 10.0
nvd linux linux kernel generic 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 · ＜ 5.9.0
nvd netapp hci compute node bios generic any version
nvd netapp solidfire \& hci management node generic any version
nvd netapp solidfire \& hci storage node generic any version
nvd opensuse leap generic 15.1 · 15.2

References

URLTags
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1883988 Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201103-0004/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4774 Third Party Advisory

Timeline
Published2020-10-13By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.