Executive Summary

Informations
Name CVE-2020-21913 First vendor Publication 2021-09-20
Vendor Cve Last vendor Modification 2021-11-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
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:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21913

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2021/dsa-5014
MISC https://github.com/unicode-org/icu/pull/886
https://unicode-org.atlassian.net/browse/ICU-20850
MLIST https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html

Alert History

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Date Informations
2021-11-29 21:23:08
  • Multiple Updates
2021-11-29 05:23:06
  • Multiple Updates
2021-10-12 21:23:24
  • Multiple Updates
2021-10-12 17:23:02
  • Multiple Updates
2021-10-04 21:23:20
  • Multiple Updates
2021-09-20 21:23:14
  • First insertion