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Fencer Vulns
medium 5.5

CVE-2022-2084 json

sensitive data exposure in cloud-init logs

published 2023-04-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34374

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported. This leak could include hashed passwords.

Patch / fix

  • Canonical Ltd. cloud-init 23.0
  • cloud-init Debian 14, Debian 13, Debian 12 22.2-2

debian advisories DEBIAN-CVE-2022-2084

  • cloud-init Ubuntu 18.04 LTS 22.2-0ubuntu1~18.04.3
  • cloud-init Ubuntu 20.04 LTS 22.2-0ubuntu1~20.04.3
  • cloud-init Ubuntu 22.04 LTS 22.2-0ubuntu1~22.04.3

ubuntu advisories UBUNTU-CVE-2022-2084

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cloud-init SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4, SLE Module for Public Cloud 15 SP3 +4 more 23.1-150100.8.63.5

suse advisories SUSE-SU-2023:2628-1

  • cloud-init openSUSE Tumbleweed 23.1-1.1

opensuse advisories openSUSE-SU-2024:12738-1

  • cloud-init Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 22.2.2-r0

alpine advisories ALPINE-CVE-2022-2084

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-2084 updated cvss 5.5

cloud-init: vulnerable to expose sensitive information

  • Red Hat Enterprise Linux 6 cloud-init Red Hat Enterprise Linux 7 cloud-init Red Hat Enterprise Linux 8 cloud-init Red Hat Enterprise Linux 9 cloud-init
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Canonical Ltd. cloud-init

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File

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.