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Fencer Vulns
critical 9.9

CVE-2022-43757 json

Rancher: Exposure of sensitive fields

published 2023-01-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-cq4p-vp5q-4522 , EUVD-2023-0449

cvss
9.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.

Patch / fix

  • go github.com/rancher/rancher 2.5.17, 2.6.10, 2.7.1
  • SUSE Rancher 2.5.17, 2.6.10, 2.7.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1205295 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/rancher/rancher
>=2.5.0, <2.5.17
>=2.6.0, <2.6.10
>=2.7.0, <2.7.1
2.5.17
2.6.10
2.7.1

Affected products

  • SUSE Rancher

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-256 Plaintext Storage of a Password

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.