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CVE-2016-4041

25
FAUCET Score

CVE-2016-4041 describes a security vulnerability in Plone versions 4.0 through 5.1a1, where missing security declarations for Dexterity content-related WebDAV requests allow remote attackers to gain unauthorized WebDAV access. This vulnerability has a CVSSv3 score of 7.3 (High), indicating a network-based attack with low complexity and potential impacts on confidentiality, integrity, and availability. While no active exploits, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion have been identified, organizations using affected Plone versions should still consider patching to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0.1:*:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0.2:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0.3:*:*:*:*:*:*:*
4.0.4CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 53rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: PloneFixed in: 4.3.10
pippatch availablevia ghsa
Product: PloneFixed in: 5.0.5
pippatch availablevia ghsa
Product: PloneFixed in: 5.1a2

Vendor Advisories (1)

pipGHSA-qqgj-22gr-73vxmedium

Plone vulnerable to privilege escalation in WebDAV

May 17, 2022

References

plone.org / security/hotfix/20160419/privilege-escalation-in-webdav
Vendor Advisory
openwall.com / lists/oss-security/2016/04/20/1
Mailing ListThird Party Advisory