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CVE-2017-18439

19
FAUCET Score

CVE-2017-18439 describes a code execution vulnerability in cPanel versions prior to 64.0.21, specifically affecting demo accounts through the ImageManager_dimensions API call. This medium-severity flaw (CVSS 6.3) can be exploited remotely with low complexity and privileges, potentially leading to limited impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are available, and there's minimal community discussion or media coverage, affected organizations should update cPanel to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 55.9999.61, < 56.0.49CPE matchmatch criteria
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
>= 57.9999.48, < 58.0.49CPE matchmatch criteria
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
>= 59.9999.58, < 60.0.43CPE matchmatch criteria
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
>= 61.9999.55, < 62.0.24CPE matchmatch criteria
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
>= 63.9999.74, < 64.0.21CPE matchmatch criteria
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 70th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

Remediation records are not available for this CVE.

References

documentation.cpanel.net / display/CL/64+Change+Log
Release NotesVendor Advisory
news.cpanel.com / cpanel-tsr-2017-0003-full-disclosure
Vendor Advisory