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CVE-2018-15667

24
FAUCET Score

CVE-2018-15667 is a high-severity vulnerability affecting Bloop Airmail 3 version 3.5.9 for macOS. It allows an external application to send arbitrary emails from an active Airmail account without authentication by exploiting the "send" command within the airmail:// URL scheme. This vulnerability has a CVSS score of 7.5, indicating a high risk due to its network-based attack vector, low attack complexity, and high impact on integrity, as it enables unauthorized email transmission without user prompting. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.5.9CPE matchmatch criteria
cpe:2.3:a:airmailapp:airmail:3.3.5.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 32nd percentile among its peer group of 51,485 CVEs.

Social Chatter

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

versprite.com / advisories/airmail-3-for-mac
Third Party Advisory