Vulnerability · Published May 20, 2021 · Assigned by mitre
CVE-2021-28682
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.0%top 18.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable integer overflow in which a very large grpc-timeout value leads to unexpected timeout calculations.
Affected products (as reported)
References
- https://github.com/envoyproxy/envoy/releases x_refsource_MISC
- https://blog.envoyproxy.io x_refsource_MISC
- https://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36 x_refsource_MISC