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Fencer Vulns
medium 5.5

CVE-2018-4181 json

In macOS High Sierra before 10.13.5, an issue existed in CUPS.

published 2019-01-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15967

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Patch / fix

  • apple mac_os_x 10.13.5
  • cups Debian 14, Debian 13, Debian 12 2.2.8-2

debian advisories DEBIAN-CVE-2018-4181

  • cups Ubuntu 14.04 LTS 1.7.2-0ubuntu1.10
  • cups Ubuntu 16.04 LTS 2.1.3-4ubuntu0.5
  • cups Ubuntu 18.04 LTS 2.2.7-1ubuntu2.1

ubuntu advisories UBUNTU-CVE-2018-4181

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

  • cups RHEL 7 1:1.6.3-43.el7
  • cups-lpd RHEL 7 1:1.6.3-43.el7
  • cups-libs RHEL 7 1:1.6.3-43.el7
  • cups-client RHEL 7 1:1.6.3-43.el7
  • cups-ipptool RHEL 7 1:1.6.3-43.el7
  • cups-filesystem RHEL 7 1:1.6.3-43.el7

red hat advisories RHSA-2020:1050

  • cups SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.3.9-8.46.56.3.1
  • cups SLE Module for Development Tools 15, SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.2.7-3.3.1
  • cups SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 1.7.5-20.14.1

suse advisories SUSE-SU-2018:2233-1SUSE-SU-2018:2172-1SUSE-SU-2018:2162-1

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-2018-4181 updated cvss 5.5

cups: Manipulation of cupsd.conf by a local attacker resulting in limited reads of arbitrary files as root

  • Red Hat Enterprise Linux 5 cups Red Hat Enterprise Linux 6 cups, cups-lpd, cups-php, cups-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) cups 1.6.3-43.el7, cups-lpd 1.6.3-43.el7, cups-libs 1.6.3-43.el7, cups-client 1.6.3-43.el7, cups-filesystem 1.6.3-43.el7 Red Hat Enterprise Linux Client Optional (v. 7) cups-ipptool 1.6.3-43.el7 Red Hat Enterprise Linux ComputeNode (v. 7) cups 1.6.3-43.el7, cups-lpd 1.6.3-43.el7, cups-libs 1.6.3-43.el7, cups-client 1.6.3-43.el7, cups-filesystem 1.6.3-43.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) cups-ipptool 1.6.3-43.el7 Red Hat Enterprise Linux Server (v. 7) cups 1.6.3-43.el7, cups-lpd 1.6.3-43.el7, cups-libs 1.6.3-43.el7, cups-client 1.6.3-43.el7, cups-filesystem 1.6.3-43.el7 Red Hat Enterprise Linux Server Optional (v. 7) cups-ipptool 1.6.3-43.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) cups 1.6.3-43.el7, cups-lpd 1.6.3-43.el7, cups-libs 1.6.3-43.el7, cups-client 1.6.3-43.el7, cups-filesystem 1.6.3-43.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) cups-ipptool 1.6.3-43.el7
    fixed: vendor fix RHSA-2020:1050
  • Red Hat Enterprise Linux 8 cups, cups-lpd, cups-libs, cups-client, cups-ipptool, cups-filesystem Red Hat Virtualization 4 cups
    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

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:C/I:N/A:N

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.