9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/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
0.644 Medium
EPSS
Percentile
97.9%
XStream is a Java library to serialize objects to XML and back again. In
XStream before version 1.4.16, there is a vulnerability may allow a remote
attacker to load and execute arbitrary code from a remote 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 | 24.04 | noarch | libxstream-java | < 1.4.15-2 | UNKNOWN |
x-stream.github.io/changes.html#1.4.16
github.com/x-stream/xstream/security/advisories/GHSA-hrcp-8f3q-4w2c
launchpad.net/bugs/cve/CVE-2021-21351
nvd.nist.gov/vuln/detail/CVE-2021-21351
security-tracker.debian.org/tracker/CVE-2021-21351
ubuntu.com/security/notices/USN-4943-1
www.cve.org/CVERecord?id=CVE-2021-21351
x-stream.github.io/CVE-2021-21351.html
x-stream.github.io/security.html#workaround
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/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
0.644 Medium
EPSS
Percentile
97.9%