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CVE-2023-49283

18
FAUCET Score

CVE-2023-49283 is a medium-severity vulnerability affecting the Microsoft Graph Library for PHP (microsoft-graph-core) versions prior to 2.0.2. It allows for information disclosure due to test code that enables the phpInfo() function, exposing system details like configuration and environment variables. Exploitation requires a misconfigured server where the /vendor directory is web-accessible, enabling an unauthenticated attacker to craft an HTTP request to execute the function. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.2CPE matchmatch criteria
cpe:2.3:a:microsoft:graph:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 70th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 (2)

composerpatch availablevia ghsa
Product: microsoft/microsoft-graph-coreFixed in: 2.0.2
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-mhhp-c3cm-2r86medium

Test code in published microsoft-graph-core package exposes phpinfo()

Dec 5, 2023

References

github.com / microsoftgraph/msgraph-beta-sdk-php/compare/2.0.0...2.0.1
Patch
github.com / microsoftgraph/msgraph-sdk-php/compare/1.109.0...1.109.1
Patch
github.com / microsoftgraph/msgraph-sdk-php-core/compare/2.0.1...2.0.2
Patch
github.com / microsoftgraph/msgraph-sdk-php-core/security/advisories/GHSA-mhhp-c3cm-2r86
PatchVendor Advisory
owncloud.com / security-advisories/disclosure-of-sensitive-credentials-and-configuration-in-containerized-deployments
Third Party Advisory