CVE-2021-21347

Public on 2021-03-23
Modified on 2021-05-24
Description
A flaw was found in xstream. A remote attacker may be able to load and execute arbitrary code from a remote host only by manipulating the processed input stream. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Severity
Important severity
Important
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core xstream 2021-05-20 ALAS2-2021-1645 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H