CVE-2023-28807
5.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Zscaler | ZIA | 0 < 6.2r.290 | affected |
Weaknesses
- CWE-295: CWE-295 Improper Certificate Validation
ADP Enrichment
CVE Program Container
Additional References
- https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting
- https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://help.zscaler.com/zia/configuring-advanced-settings#domain-fronting
- https://help.zscaler.com/zia/configuring-advanced-settings#dns-optimization
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