Server-Side Request Forgery (SSRF) Affecting com.thoughtworks.xstream:xstream package, versions [,1.4.15)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Mature
EPSS
82.96% (99th percentile)

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  • Snyk IDSNYK-JAVA-COMTHOUGHTWORKSXSTREAM-1051967
  • published16 Dec 2020
  • disclosed16 Dec 2020
  • creditLiaogui Zhong

Introduced: 16 Dec 2020

CVE-2020-26258  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade com.thoughtworks.xstream:xstream to version 1.4.15 or higher.

Overview

com.thoughtworks.xstream:xstream is a simple library to serialize objects to XML and back again.

Affected versions of this package are vulnerable to Server-Side Request Forgery (SSRF). A remote attacker can request data from internal resources that are not publicly available by manipulating the processed input stream.

Note: This vulnerability does not exist running Java 15 or higher, and is only relevant when using XStream's default blacklist.

CVSS Scores

version 3.1