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CVE-2023-43802

24
FAUCET Score

CVE-2023-43802 is a path traversal vulnerability in Arduino Create Agent versions prior to 1.3.3, affecting the /upload endpoint. An attacker with local access or who can bypass CORS can escalate privileges to the level of the user running the agent by sending a crafted HTTP POST request. This vulnerability has a CVSS score of 7.8 (High), indicating significant impact on confidentiality, integrity, and availability. There is currently no public exploit code, active exploitation, or significant community discussion reported for this CVE. Users are advised to upgrade to version 1.3.3 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.3CPE matchmatch criteria
cpe:2.3:a:arduino:create_agent:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
28.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 66th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/arduino/arduino-create-agentFixed in: 1.3.3
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-75j7-w798-cwwxhigh

Arduino Create Agent path traversal - local privilege escalation vulnerability

Oct 18, 2023

References

github.com / arduino/arduino-create-agent/releases/tag/1.3.3
github.com / arduino/arduino-create-agent/security/advisories/GHSA-75j7-w798-cwwx
Vendor Advisory
nozominetworks.com / blog/security-flaws-affect-a-component-of-the-arduino-create-cloud-ide