CVE-2025-66220
5
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N
Summary
Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, Envoy’s mTLS certificate matcher for match_typed_subject_alt_names may incorrectly treat certificates containing an embedded null byte (\0) inside an OTHERNAME SAN value as valid matches.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| envoyproxy | envoy | >= 1.36.0, <= 1.36.2 | affected |
| envoyproxy | envoy | >= 1.35.0, <= 1.35.6 | affected |
| envoyproxy | envoy | >= 1.34.0, <= 1.34.10 | affected |
| envoyproxy | envoy | <= 1.33.12 | affected |
Weaknesses
- CWE-170: CWE-170: Improper Null Termination
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
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