A Server-Side Forgery Request can be activated unmarshalling with XStream to access data streams from an arbitrary URL referencing a resource in an intranet or the local host
CVSS score
6.1
EPSS probability
%46.8
Risk score
2.9
Published
5 y ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2021-21349 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
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 to request data from internal resources that are not publicly available 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.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2021-21349 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | x-stream | xstream | View |
| 2 | netapp | oncommand insight | View |
| 3 | apache | activemq | View |
| 4 | apache | activemq | View |
| 5 | apache | activemq | View |
| 6 | apache | jmeter | View |
| 7 | XStream | XStream | View |
| 8 | debian | debian linux | View |
| 9 | debian | debian linux | View |
| 10 | debian | debian linux | View |
| 11 | fedoraproject | fedora | View |
| 12 | fedoraproject | fedora | View |
| 13 | fedoraproject | fedora | View |
| 14 | oracle | banking enterprise default management | View |
| 15 | oracle | banking enterprise default management | View |
| 16 | oracle | banking platform | View |
| 17 | oracle | banking platform | View |
| 18 | oracle | banking platform | View |
| 19 | oracle | banking platform | View |
| 20 | oracle | banking virtual account management | View |
| 21 | oracle | banking virtual account management | View |
| 22 | oracle | banking virtual account management | View |
| 23 | oracle | business activity monitoring | View |
| 24 | oracle | business activity monitoring | View |
| 25 | oracle | business activity monitoring | View |
| 26 | oracle | communications billing and revenue management elastic charging engine | View |
| 27 | oracle | communications policy management | View |
| 28 | oracle | communications unified inventory management | View |
| 29 | oracle | communications unified inventory management | View |
| 30 | oracle | communications unified inventory management | View |
| 31 | oracle | communications unified inventory management | View |
| 32 | oracle | communications unified inventory management | View |
| 33 | oracle | graalvm | View |
| 34 | oracle | graalvm | View |
| 35 | oracle | Java SE | View |
| 36 | oracle | Java SE | View |
| 37 | oracle | retail xstore point of service | View |
| 38 | oracle | retail xstore point of service | View |
| 39 | oracle | retail xstore point of service | View |
| 40 | oracle | retail xstore point of service | View |
| 41 | oracle | webcenter portal | View |
| 42 | oracle | webcenter portal | View |
| 43 | oracle | webcenter portal | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 8.6 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | NVD |
| 6.1 | CVSS V31 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N | NVD |
| 6.1 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N | CVE CNA |
| 5.0 | CVSS V2 | — | AV:N/AC:L/Au:N/C:P/I:N/A:N | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21349 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-21349 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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