CVE-2021-28682

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2021-28682
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-20T17:15:07
  • Last Modified Date
  • 2021-05-27T16:05:33
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:envoyproxy:envoy:1.14.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:envoyproxy:envoy:1.15.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36 Exploit Third Party Advisory
https://github.com/envoyproxy/envoy/releases Third Party Advisory
https://blog.envoyproxy.io Vendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-28682
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28682
History
Created Old Value New Value Data Type Notes
2022-05-10 16:14:32 Added to TrackCVE
2022-12-05 02:42:47 2021-05-20T17:15Z 2021-05-20T17:15:07 CVE Published Date updated
2022-12-05 02:42:47 2021-05-27T16:05:33 CVE Modified Date updated
2022-12-05 02:42:47 Analyzed Vulnerability Status updated