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CVE-2020-15047

16
FAUCET Score

CVE-2020-15047 describes a critical vulnerability in Trojita email client versions prior to 0.8, where the application fails to properly validate SSL/TLS certificates during SMTP communication. This oversight allows a sophisticated man-in-the-middle attacker to spoof legitimate SMTP servers, potentially intercepting or manipulating email traffic. Rated as MEDIUM severity (CVSS 5.9), exploitation requires high attack complexity but can lead to significant confidentiality impacts without user interaction. There is currently no evidence of active exploitation, and no public exploit code or significant community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.8CPE matchmatch criteria
cpe:2.3:a:trojita_project:trojita:*:*:*:*:*:*:*:*

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
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 11th 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

bugs.kde.org / show_bug.cgi
Issue TrackingPatchThird Party Advisory
gerrit.vesnicky.cesnet.cz / r/1035
PatchThird Party Advisory