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CVE-2013-4191

16
FAUCET Score

CVE-2013-4191 describes an access restriction bypass vulnerability in the zip.py component of Plone versions 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1. This flaw allows remote attackers to obtain sensitive information by crafting requests that lead to the inclusion of unauthorized content in a generated zip archive. With a CVSS score of 5.8 (Medium), this vulnerability has a network attack vector and medium attack complexity, potentially leading to partial confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.3:*:*:*:*:*:*:*
4.3.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.3.1:*:*:*:*:*:*:*
4.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.2:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.2.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 30th percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

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)

pippatch availablevia ghsa
Product: ploneFixed in: 4.1.1
pippatch availablevia ghsa
Product: ploneFixed in: 4.2.6
pippatch availablevia ghsa
Product: ploneFixed in: 4.3.2

Vendor Advisories (1)

pipGHSA-grwx-4p5v-9g2gmedium

Plone is vulnerable to Information Exposure when generating zip archives

May 17, 2022

References

plone.org / products/plone-hotfix/releases/20130618
Patch
plone.org / products/plone/security/advisories/20130618-announcement
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
seclists.org / oss-sec/2013/q3/261