CVE-2021-28682
HIGH
7.5
CVSS Score
Published: May 20, 2021 at 04:15 PM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorEnvoy
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/releasesx_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjggCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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