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TI-2019-02678 Aliases CVE-2019-3635GHSA-6j3c-cmq4-m6hv

MWG Proxy: Cross-Frame Scripting vulnerability

Priority LOW 31Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Exfiltration of Data in McAfee Web Gateway (MWG) 7.8.2.x prior to 7.8.2.12 allows attackers to obtain sensitive data via crafting a complex webpage that will trigger the Web Gateway to block the user accessing an iframe.

Why it matters now

EPSS 0.01178 67th percentileScored 2026-11-07
Fix Fixed McAfee Web Gateway (MWG) (McAfee, LLC): 7.8.2.12

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMcAfee Web Gateway (MWG)7.8.2.x to before 7.8.2.127.8.2.12Patch availableCNA
  • McAfee Web Gateway (MWG) VendorMcAfee Affected 7.8.2.x to before 7.8.2.12 Fixed in 7.8.2.12 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*7.8.2.0 to before 7.8.2.12VulnerableMcAfee
  • cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:* Versions 7.8.2.0 to before 7.8.2.12 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Web Gateway (MWG) (McAfee, LLC) Fixed in 7.8.2.12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    McAfee Web Gateway (MWG) 7.8.2.12

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-02682 MWG UI: Cross-Frame Scripting vulnerabilityPriority LOW 34
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3635
  2. 2026-10-03 Alias added: GHSA-6j3c-cmq4-m6hv

References

Other 1

  • TI-2021-02242 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer… KEVCVSS 3.1HIGH 7.8
  • TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06949 Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06948 Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2021-02413 NULL pointer deref in signature_algorithms processing CVSS 3.1MEDIUM 5.9
  • TI-2019-06946 Some HTTP/2 implementations are vulnerable to window size manipulation and stream… CVSS 3.1HIGH 7.5
See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences