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CVE Record

CVE-2020-15047: MSA/SMTP.cpp in Trojita before 0.8 ignores certificate-verification errors, which allows man-in-the-middle...

MSA/SMTP.cpp in Trojita before 0.8 ignores certificate-verification errors, which allows man-in-the-middle attackers to spoof SMTP servers.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Trojita versions before 0.8 could ignore SMTP certificate-verification errors. An attacker positioned between a user and their mail server could impersonate the SMTP server and undermine trust in outbound email submission.

Executive priority

Treat as a targeted email-client trust issue, not a broad enterprise emergency. Prioritize if Trojita is deployed or users send mail from untrusted networks.

Technical view

The CVE describes MSA/SMTP.cpp in Trojita before 0.8 failing to act on certificate-verification errors. The impact is SMTP server spoofing through man-in-the-middle positioning. The provided sources do not include CVSS, CWE, broad affected-platform details, or confirmed exploitation.

Likely exposure

Exposure is limited to environments where users run Trojita before 0.8 and submit mail through SMTP/MSA over networks where interception is possible.

Exploitation context

The source bundle does not show KEV listing or cited evidence of active exploitation. Practical abuse requires a man-in-the-middle position against a vulnerable Trojita user’s SMTP connection.

Researcher notes

Core evidence is concise: vulnerable component, affected version boundary, and MITM SMTP spoofing impact. Severity scoring, CWE mapping, and detailed fix behavior are absent from the supplied bundle.

Mitigation direction

  • Identify and retire Trojita versions before 0.8.
  • Upgrade Trojita to 0.8 or later where vendor-supported.
  • Review KDE bug and Gerrit reference for vendor-specific fix context.
  • Prefer trusted networks and hardened mail transport policies for affected users.

Validation and detection

  • Inventory endpoints for Trojita installations and recorded versions.
  • Confirm no users run Trojita before 0.8.
  • In a controlled test, verify invalid SMTP certificates are rejected.
  • Review mail client configuration for SMTP/MSA TLS usage.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

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CVE-2020-15047 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.