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CVE-2023-40530

17
FAUCET Score

CVE-2023-40530 describes an improper authorization vulnerability in the Skylark mobile application (Android and iOS versions 6.2.13 and earlier). This flaw allows an attacker to redirect users to arbitrary websites through a custom URL scheme, leveraging other applications on the user's device. Rated Medium severity (CVSS 4.7), it requires user interaction and has a low impact on integrity, with no confidentiality or availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.2.13CPE matchmatch criteria
cpe:2.3:a:skylark:skylark:*:*:*:*:*:android:*:*
<= 6.2.13CPE matchmatch criteria
cpe:2.3:a:skylark:skylark:*:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 41st percentile among its peer group of 26,220 CVEs.

Social Chatter

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

apps.apple.com / jp/app/%E3%81%99%E3%81%8B%E3%81%84%E3%82%89%E3%83%BC%E3%81%8F%E3%82%A2%E3%83%97%E3%83%AA/id906930478
Product
jvn.jp / en/jp/JVN03447226
Third Party Advisory
play.google.com / store/apps/details
Product