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CVE-2018-0509

26
FAUCET Score

CVE-2018-0509 describes a Cross-Site Request Forgery (CSRF) vulnerability in kkcald_project kkcald versions 0.7.21 and earlier. This flaw allows an unauthenticated attacker to hijack the authentication of administrators through unspecified vectors. With a CVSS score of 8.8 (HIGH), the vulnerability poses a significant risk, enabling high impact to confidentiality, integrity, and availability if exploited. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.21CPE matchmatch criteria
cpe:2.3:a:kkcald_project:kkcald:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 51st percentile among its peer group of 14,852 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 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dbit.web.fc2.com
Third Party Advisory
jvn.jp / en/jp/JVN91393903/index.html
Third Party AdvisoryVDB Entry