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Fencer Vulns
medium 5.3

CVE-2022-21950 json

canna: unsafe handling of /tmp/.iroha_unix directory

published 2022-09-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27106

cvss
5.3
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 4%
public exploits
0
none known

Summary

A Improper Access Control vulnerability in the systemd service of cana in openSUSE Backports SLE-15-SP3, openSUSE Backports SLE-15-SP4 allows local users to hijack the UNIX domain socket This issue affects: openSUSE Backports SLE-15-SP3 canna versions prior to canna-3.7p3-bp153.2.3.1. openSUSE Backports SLE-15-SP4 canna versions prior to 3.7p3-bp154.3.3.1. openSUSE Factory was also affected. Instead of fixing the package it was deleted there.

Patch / fix

  • openSUSE openSUSE Backports SLE-15-SP3 canna-3.7p3-bp153.2.3.1
  • openSUSE openSUSE Backports SLE-15-SP4 3.7p3-bp154.3.3.1
  • canna Package Hub 15 SP4, openSUSE Leap 15.4 3.7p3-bp154.3.3.1
  • canna Package Hub 15 SP3, openSUSE Leap 15.3 3.7p3-bp153.2.3.1

opensuse advisories openSUSE-SU-2022:10091-1openSUSE-SU-2022:10090-1

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-2022-21950 updated cvss 7.7

canna: unsafe handling of /tmp/.iroha_unix

  • Red Hat All currently supported Red Hat products
    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

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

  • openSUSE openSUSE Backports SLE-15-SP3
  • openSUSE openSUSE Backports SLE-15-SP4

Classification

Weakness

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.