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CVE Record

CVE-2020-24904: An issue was discovered in attach parameter in GNOME Gmail version 2.5.4, allows remote attackers to gain s...

An issue was discovered in attach parameter in GNOME Gmail version 2.5.4, allows remote attackers to gain sensitive information via crafted "mailto" link.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-24904 describes a sensitive-information exposure issue in GNOME Gmail 2.5.4 involving how an attachment parameter is handled in mailto links. A remote attacker could potentially use a crafted link to cause information disclosure. The sources do not provide CVSS, confirmed exploitation, or a named patch.

Executive priority

Treat as a targeted desktop exposure rather than an enterprise-wide emergency unless GNOME Gmail is widely deployed. Prioritize inventory and mailto-handler review because source details are sparse.

Technical view

The CVE record states that GNOME Gmail 2.5.4 has an issue in the mailto attach parameter that can allow sensitive information disclosure. The public data does not identify a CWE, affected CPEs, vulnerable code path details, or vendor remediation status beyond the referenced GitHub issue.

Likely exposure

Exposure appears limited to systems using GNOME Gmail 2.5.4, especially where it handles mailto links. The source bundle does not identify other affected versions, distributions, or packaged variants.

Exploitation context

The CVE describes remote attack via a crafted mailto link. CISA KEV is false in the provided data, and the sources do not confirm active exploitation or public weaponization.

Researcher notes

The public record is minimal: no CVSS, CWE, CPE, patch version, or exploit confirmation is included. Analysis should remain constrained to GNOME Gmail 2.5.4 and the attach parameter behavior described by the CVE.

Mitigation direction

  • Inventory endpoints for GNOME Gmail 2.5.4 usage.
  • Check the upstream GitHub issue and vendor packaging guidance.
  • Remove or replace GNOME Gmail where it is not required.
  • Avoid using GNOME Gmail as the default mailto handler until reviewed.

Validation and detection

  • Confirm whether GNOME Gmail 2.5.4 is installed on managed Linux desktops.
  • Check mailto handler associations on affected desktop profiles.
  • Review endpoint telemetry for GNOME Gmail launches from untrusted links.
  • Track the referenced GitHub issue for remediation status.
Prepared
Confidence
medium
Sources
3

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

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CVE-2020-24904 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
2Source links

CVSS and timeline data

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

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.