9.9 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.454 Medium
EPSS
Percentile
97.4%
XStream is a Java library to serialize objects to XML and back again. In
XStream before version 1.4.16, there is a vulnerability which may allow a
remote attacker who has sufficient rights to execute commands of the host
only by manipulating the processed input stream. No user is affected, who
followed the recommendation to setup XStream’s security framework with a
whitelist limited to the minimal required types. If you rely on XStream’s
default blacklist of the Security Framework, you will have to use at least
version 1.4.16.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | libxstream-java | < 1.4.11.1-1~18.04.2 | UNKNOWN |
ubuntu | 20.04 | noarch | libxstream-java | < 1.4.11.1-1ubuntu0.2 | UNKNOWN |
ubuntu | 20.10 | noarch | libxstream-java | < 1.4.11.1-2ubuntu0.1 | UNKNOWN |
ubuntu | 21.04 | noarch | libxstream-java | < 1.4.15-1ubuntu0.1 | UNKNOWN |
ubuntu | 21.10 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
ubuntu | 22.04 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
ubuntu | 22.10 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
ubuntu | 23.04 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
ubuntu | 23.10 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
ubuntu | 14.04 | noarch | libxstream-java | < any | UNKNOWN |
x-stream.github.io/changes.html#1.4.16
github.com/x-stream/xstream/security/advisories/GHSA-hwpc-8xqv-jvj4
launchpad.net/bugs/cve/CVE-2021-21345
nvd.nist.gov/vuln/detail/CVE-2021-21345
security-tracker.debian.org/tracker/CVE-2021-21345
ubuntu.com/security/notices/USN-4943-1
www.cve.org/CVERecord?id=CVE-2021-21345
x-stream.github.io/CVE-2021-21345.html
x-stream.github.io/security.html#workaround
9.9 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
6.5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.454 Medium
EPSS
Percentile
97.4%