Security readout for executives and security teams
Plain-English summary
Evernote for macOS before 7.13 GA could let a malicious note attachment run code because downloaded attachments were not marked with Apple’s quarantine protection. This appears to require user interaction with a crafted attachment. The supplied sources do not show active exploitation or a CVSS score.
Executive priority
Treat this as a targeted endpoint hygiene issue, not a confirmed active campaign. Prioritize patching or removing legacy Evernote on macOS where sensitive users rely on shared notes or external attachments.
Technical view
The issue is missing use of the com.apple.quarantine attribute on Evernote attachment files before macOS version 7.13 GA. The CVE describes code execution demonstrated with a crafted Terminal file and drag-and-drop interaction. Affected scope beyond Evernote for macOS before 7.13 GA is not evidenced in the bundle.
Likely exposure
Exposure is most likely on managed or unmanaged macOS endpoints running Evernote before 7.13 GA, especially where users receive shared notes or attachments. The source bundle does not identify affected Windows, mobile, web, or post-7.13 versions.
Exploitation context
The CVE describes a user-assisted attack demonstration involving a crafted Terminal file. There is no KEV listing, and the provided sources do not state that attackers exploited this in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, or detailed vendor remediation text is included beyond the Evernote security update reference. Avoid expanding affected scope without vendor confirmation.
Mitigation direction
- Upgrade Evernote for macOS to 7.13 GA or later where supported.
- Check Evernote advisory MACOSNOTE-28956 for vendor guidance.
- Remove unsupported legacy Evernote versions from managed macOS devices.
- Limit use of unexpected note attachments from untrusted sources.
Validation and detection
- Inventory macOS endpoints for Evernote versions older than 7.13 GA.
- Review software management records for unmanaged Evernote installations.
- Confirm installed Evernote versions against the vendor advisory.
- Check logs for suspicious Terminal launches associated with Evernote attachments.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-17051 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://evernote.com/security/updates#MACOSNOTE-28956CVE reference · x_refsource_MISC
- https://www.youtube.com/watch?v=OG2tKlZX5bgCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.