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CVE-2023-6654

22
FAUCET Score

CVE-2023-6654 is a critical deserialization vulnerability affecting PHPEMS versions 6.x, 7.x, 8.x, and 9.0, specifically within the lib/session.cls.php component. This vulnerability allows for remote exploitation with low attack complexity, potentially leading to high impact across confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and it currently lacks significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:a:phpems:phpems:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:phpems:phpems:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 72nd percentile among its peer group of 17,844 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, 0.3 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

Vendor Advisories (1)

composerGHSA-5rv2-vvmf-f7w8medium

PHPEMS Deserialization of Untrusted Data vulnerability

Dec 10, 2023

References

note.zhaoj.in / share/jw4Hp9cq7T69
Permissions Required
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry