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CVE-2018-4300

21
FAUCET Score

CVE-2018-4300 describes a vulnerability in CUPS versions prior to v2.2.10 where the web interface generated easily guessable session cookies. This flaw allowed unauthorized, scripted access to the CUPS web interface when enabled. With a CVSS score of 5.9 (Medium), this issue has a network attack vector and high confidentiality impact, but requires high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.10CPE matchmatch criteria
cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 57th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: cups-1:1.6.3-43.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: cups
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: cups

Vendor Advisories (1)

redhatCVE-2018-4300Moderate

cups: Session cookie generated by the CUPS web interface is easy to guess

Apr 3, 2019

References

github.com / apple/cups/releases/tag/v2.2.10
Release NotesThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00028.html
securityfocus.com / bid/107785
Third Party Advisory