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CVE-2017-9518

27
FAUCET Score

CVE-2017-9518 is a Cross-Site Request Forgery (CSRF) vulnerability affecting atmail versions prior to 7.8.0.2. This flaw allows an unauthenticated attacker to manipulate the SMTP hostname, potentially leading to the hijacking of all outgoing emails. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.8.0.1CPE matchmatch criteria
cpe:2.3:a:atmail:atmail:*:*:*:*:*:*:*:*

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
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 39th percentile among its peer group of 14,824 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

help.atmail.com / hc/en-us/articles/115007169147-Minor-Update-7-8-0-2-ActiveSync-2-3-6
Vendor Advisory