CVE-2021-43045

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue.
Overview
  • CVE ID
  • CVE-2021-43045
  • Assigner
  • security@apache.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-06T18:15:07
  • Last Modified Date
  • 2022-01-14T01:08:05
Weakness Enumerations
CWE URL
CWE-770 http://cwe.mitre.org/data/definitions/770.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:avro:*:*:*:*:*:*:*:* 1 OR 1.10.2
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://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/06/8 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-43045
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43045
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:30 Added to TrackCVE
2022-12-06 05:49:06 2022-01-06T18:15Z 2022-01-06T18:15:07 CVE Published Date updated
2022-12-06 05:49:06 2022-01-14T01:08:05 CVE Modified Date updated
2022-12-06 05:49:06 Analyzed Vulnerability Status updated