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CVE-2015-1570

14
FAUCET Score

CVE-2015-1570 describes a certificate validation vulnerability in Fortinet FortiClient for Android (5.2.3.091) and iOS (5.2.028). The Endpoint Control protocol fails to properly validate server certificates, enabling man-in-the-middle (MitM) attackers to spoof servers using crafted certificates. This vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and potential for partial integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.2.3.091CPE matchmatch criteria
cpe:2.3:a:fortinet:forticlient:5.2.3.091:*:*:*:*:android:*:*
5.2.028CPE matchmatch criteria
cpe:2.3:a:fortinet:forticlient:5.2.028:*:*:*:*:ios:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 6th percentile among its peer group of 19,958 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

seclists.org / fulldisclosure/2015/Jan/124
Exploit
security-assessment.com / files/documents/advisory/Fortinet_FortiClient_Multiple_Vulnerabilities.pdf
Exploit