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CVE-2015-0889

20
FAUCET Score

CVE-2015-0889 describes a critical vulnerability in KENT-WEB Joyful Note versions prior to 5.3, allowing remote attackers to delete or write to arbitrary files, potentially leading to arbitrary code execution. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, impacting confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.21CPE matchmatch criteria
cpe:2.3:a:kent-web:joyful_note:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.62%
Probability of exploitation in next 30 days
EPSS Percentile
83.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0262 is in the 71st percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 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

jvndb.jvn.jp / jvndb/JVNDB-2015-000024
Vendor Advisory
jvn.jp / en/jp/JVN88862608/index.html
Vendor Advisory
kent-web.com / bbs/joyful.html
Vendor Advisory