CVE-2020-8660
Last modified
CVE-2020-8660 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Envoyproxy | Envoy | < 1.12.3 |
| Envoyproxy | Envoy | >= 1.13.0, < 1.13.1 |
References
- https://access.redhat.com/errata/RHSA-2020:0734Third Party Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvxThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0734Third Party Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvxThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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