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NVD / CVE Program· CNA apple

CVE-2018-4300: The session cookie generated by the CUPS web interface was easy to guess on Linux, allowing unauthorized scripted access to the web interfac

Noroxi assessment

Priority: Monitor (action score 24/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.8% (FIRST EPSS); higher than 79% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. Special conditions such as timing or configuration are required.
  • Fixed version: cups (Debian:12) 2.2.10-1; cups (Debian:8) 1.7.5-11+deb8u6; cups (Red Hat:enterprise_linux:7::client) 1:1.6.3-43.el7.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to cups (Debian:12) 2.2.10-1; cups (Debian:8) 1.7.5-11+deb8u6; cups (Red Hat:enterprise_linux:7::client) 1:1.6.3-43.el7 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

The session cookie generated by the CUPS web interface was easy to guess on Linux, allowing unauthorized scripted access to the web interface when the web interface is enabled. This issue affected versions prior to v2.2.10.

MediumCVSS 5.9 · v3.0—No exploit Fix available
Published
Apr 3, 2019
Updated
Jun 16, 2026
EPSS
1.8% · 79th percentile

Report tools

JSON

Action score

24

Monitor

Low priority for now.

CVSS
23 / 40 · 5.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 1.8%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
applecups

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apple cupsbefore 2.2.10

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a CUPS

    • Versions prior to: v2.2.10affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12cupsbefore 2.2.10-12.2.10-1
Debian:8cupsbefore 1.7.5-11+deb8u61.7.5-11+deb8u6
Red Hat:enterprise_linux:7::clientcupsbefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-clientbefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-debuginfobefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-develbefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-filesystembefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-ipptoolbefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-libsbefore 1:1.6.3-43.el71:1.6.3-43.el7
Red Hat:enterprise_linux:7::clientcups-lpdbefore 1:1.6.3-43.el71:1.6.3-43.el7

Same product

apple: all records

Other highest-scoring records for the same primary product.

  • CVE-2008-3641The Hewlett-Packard Graphics Language (HPGL) filter in CUPS before 1.3.9 allows remote attackers to execute arbitrary code via crafted pen w
    47Plan
  • CVE-2008-0053Multiple buffer overflows in the HP-GL/2-to-PostScript filter in CUPS before 1.3.6 might allow remote attackers to execute arbitrary code vi
    42Plan
  • CVE-2010-2941ipp.c in cupsd in CUPS 1.4.4 and earlier does not properly allocate memory for attribute values with invalid string data types, which allows
    41Plan

Published before and after this one in the same product

  • ← EarlierCVE-2017-18190Feb 16, 2018 · A localhost.localdomain whitelist entry in valid_host() in scheduler/client.c in CUPS before 2.2.2 allows remote attackers to execute arbitr
    31Monitor
  • ← EarlierCVE-2017-18248Mar 26, 2018 · The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending p
    22Monitor
  • Later →CVE-2012-6094Dec 20, 2019 · cups (Common Unix Printing System) 'Listen localhost:631' option not honored correctly which could provide unauthorized access to the system
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:cups2.2.10-1 · Debian:12Package registry (OSV)
red hat:cups1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-client1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-debuginfo1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-devel1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-filesystem1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-ipptool1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-libs1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:cups-lpd1:1.6.3-43.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

The bug in code

The whole CWE-200 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records