What is the CVSS score of CVE-2020-26217?

CVE-2020-26217 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 85.0%.

Is there a public PoC exploit available for CVE-2020-26217?

Yes, a public proof-of-concept exploit is available for CVE-2020-26217. Prioritise patching immediately. EPSS: 85.0%.

Is there a patch available for CVE-2020-26217?

Yes, a patch is available for CVE-2020-26217. Update the affected software to the latest version immediately.

Xstream CVE-2020-26217

HIGH

OS Command Injection (CWE-78)

2020-11-16 security-advisories@github.com

RCE Command Injection Xstream Debian Linux Snapmanager Activemq Banking Cash Management Banking Corporate Lending Process Management Banking Credit Facilities Process Management Banking Platform Banking Supply Chain Finance Banking Trade Finance Process Management Banking Virtual Account Management Business Activity Monitoring Communications Policy Management Endeca Information Discovery Studio Retail Xstore Point Of Service

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 16, 2020 - 21:15 nvd

HIGH 8.8

DescriptionNVD

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.

AnalysisAI

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14. Affected products include: Xstream, Debian Debian Linux, Netapp Snapmanager, Apache Activemq, Oracle Banking Cash Management. Version information: version 1.4.14.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.