Executive Summary

Informations
Name CVE-2021-21995 First vendor Publication 2021-07-13
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

OpenSLP as used in ESXi has a denial-of-service vulnerability due a heap out-of-bounds read issue. A malicious actor with network access to port 427 on ESXi may be able to trigger a heap out-of-bounds read in OpenSLP service resulting in a denial-of-service condition.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21995

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 31
Os 3
Os 236

Sources (Detail)

https://www.vmware.com/security/advisories/VMSA-2021-0014.html
Source Url

Alert History

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Date Informations
2024-11-28 13:52:20
  • Multiple Updates
2022-12-17 01:58:49
  • Multiple Updates
2022-12-16 01:55:49
  • Multiple Updates
2022-06-03 00:27:26
  • Multiple Updates
2022-04-09 01:55:02
  • Multiple Updates
2022-02-25 01:52:36
  • Multiple Updates
2022-02-04 12:51:52
  • Multiple Updates
2022-01-27 01:47:35
  • Multiple Updates
2022-01-08 01:46:22
  • Multiple Updates
2021-11-30 12:49:15
  • Multiple Updates
2021-07-16 21:23:09
  • Multiple Updates
2021-07-14 13:22:47
  • Multiple Updates
2021-07-14 00:22:46
  • First insertion