CVE-2021-28682

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-28682
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://blog.envoyproxy.io Vendor Advisory
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://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:envoyproxy:envoy:1.14.6:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.15.3:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*
History

27 May 2021, 16:05

Type Values Removed Values Added
References
  • (MISC) https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg - Third Party Advisory
References (MISC) https://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36 - (MISC) https://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36 - Exploit, Third Party Advisory
References (MISC) https://blog.envoyproxy.io - (MISC) https://blog.envoyproxy.io - Vendor Advisory
References (MISC) https://github.com/envoyproxy/envoy/releases - (MISC) https://github.com/envoyproxy/envoy/releases - Third Party Advisory
CPE cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.14.6:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:1.15.3:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CWE CWE-190

20 May 2021, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-20 17:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-28682

Mitre link : CVE-2021-28682

CVE.ORG link : CVE-2021-28682

JSON object : View

Products Affected

envoyproxy

  • envoy
CWE
CWE-190

Integer Overflow or Wraparound