Web Gateway (MWG) - Inappropriate Encoding for output context
Priority LOW 22CWE-838Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Inappropriate Encoding for output context vulnerability in McAfee Web Gateway (MWG) prior to 9.2.1 allows a remote attacker to cause MWG to return an ambiguous redirect response via getting a user to click on a malicious URL.
Why it matters now
EPSS 0.0086 58th percentileScored 2026-11-07
Fix Fixed McAfee Web Gateway (MWG) (McAfee): 9.2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| McAfee | McAfee Web Gateway (MWG) | before 9.2.1 | 9.2.1 | Patch available | CNA |
- McAfee Web Gateway (MWG) VendorMcAfee Affected before 9.2.1 Fixed in 9.2.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:* | 7.8.0 to before 7.8.2.22; 8.2.0 to before 8.2.9; 9.0.0 to before 9.2.1 | Vulnerable | McAfee |
- cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:* Versions 7.8.0 to before 7.8.2.22; 8.2.0 to before 8.2.9; 9.0.0 to before 9.2.1 Vulnerable ·McAfee
Remediation
- Fix · CNA McAfee Web Gateway (MWG) (McAfee) Fixed in 9.2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7292
- 2026-10-03 Alias added: GHSA-hm27-4fw9-4w6f
References
More McAfee Web Gateway vulnerabilities
- 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
Sources
- CVE-2020-7292 · CVE Program
- CVE-2020-7292 · NVD
- FIRST EPSS
- GHSA-hm27-4fw9-4w6f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences