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CVE-2017-10819

16
FAUCET Score

CVE-2017-10819 describes a critical vulnerability in MaLion for Mac versions 4.3.0 through 5.2.1, where the software fails to properly validate SSL/TLS certificates. This flaw, rated Medium severity with a CVSS score of 5.9, allows an unauthenticated attacker to conduct man-in-the-middle attacks, potentially eavesdropping on encrypted communications due to the high impact on confidentiality. Despite its potential for sensitive data exposure, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.2.1CPE matchmatch criteria
cpe:2.3:a:intercom:malion:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 10th percentile among its peer group of 19,955 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

jvn.jp / en/vu/JVNVU91587298/index.html
Third Party AdvisoryVDB Entry
intercom.co.jp / information/2017/0801.html
Vendor Advisory