What is the CVSS score of CVE-2021-31475?

CVE-2021-31475 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: 6.5%.

Orion Job Scheduler CVE-2021-31475

HIGH

Incorrect Permission Assignment for Critical Resource (CWE-732)

2021-05-21 zdi-disclosures@trendmicro.com

RCE Orion Job Scheduler

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

May 21, 2021 - 15:15 nvd

HIGH 8.8

DescriptionNVD

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Orion Job Scheduler 2020.2.1 HF 2. Authentication is required to exploit this vulnerability. The specific flaw exists within the JobRouterService WCF service. The issue is due to the WCF service configuration, which allows a critical resource to be accessed by unprivileged users. An attacker can leverage this vulnerability to execute code in the context of an administrator. Was ZDI-CAN-12007.

AnalysisAI

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Orion Job Scheduler 2020.2.1 HF 2. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Orion Job Scheduler 2020.2.1 HF 2. Authentication is required to exploit this vulnerability. The specific flaw exists within the JobRouterService WCF service. The issue is due to the WCF service configuration, which allows a critical resource to be accessed by unprivileged users. An attacker can leverage this vulnerability to execute code in the context of an administrator. Was ZDI-CAN-12007. Affected products include: Solarwinds Orion Job Scheduler.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and restrict file/resource permissions, apply principle of least privilege.