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CVE-2015-4590

15
FAUCET Score

CVE-2015-4590 describes a buffer overflow and over-read vulnerability in the extractFrom function of Arduino JSON before version 4.5. This flaw allows remote attackers to cause a denial of service (crash) by providing a specially crafted JSON string containing a backslash followed by a terminator. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication or complex attack conditions, and primarily impacting availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.4CPE matchmatch criteria
cpe:2.3:a:arduino_json_project:arduino_json:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 77th percentile among its peer group of 23,723 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, 0.1 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

Remediation records are not available for this CVE.

References

github.com / bblanchon/ArduinoJson/blob/master/CHANGELOG.md
github.com / bblanchon/ArduinoJson/commit/5e7b9ec688d79e7b16ec7064e1d37e8481a31e72
github.com / bblanchon/ArduinoJson/pull/81
Exploit
openwall.com / lists/oss-security/2015/06/16/6
Exploit
securityfocus.com / bid/75150