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CVE-2023-2979

26
FAUCET Score

CVE-2023-2979 is a critical improper access controls vulnerability affecting Abstrium Pydio Cells version 4.2.0, specifically within an unknown part of the User Creation Handler. This flaw allows for remote exploitation, potentially leading to high impacts on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, Metasploit/Nuclei modules, or significant community discussion. Organizations using Pydio Cells 4.2.0 are strongly advised to upgrade to version 4.2.1 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.0CPE matchmatch criteria
cpe:2.3:a:abstrium:pydio_cells:4.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.81%
Probability of exploitation in next 30 days
EPSS Percentile
53.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0081 is in the 47th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

popalltheshells.medium.com / multiple-cves-affecting-pydio-cells-4-2-0-321e7e4712be
ExploitThird Party Advisory
pydio.com / en/community/releases/pydio-cells/pydio-cells-enterprise-421
Release Notes
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry