What is the CVSS score of CVE-2021-28669?

CVE-2021-28669 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.8%.

Is there a patch available for CVE-2021-28669?

Yes, a patch is available for CVE-2021-28669. Update the affected software to the latest version immediately.

Altalink B8045 Firmware CVE-2021-28669

HIGH

Missing Authorization (CWE-862)

2021-03-29 cve@mitre.org

Authentication Bypass Altalink B8045 Firmware Altalink B8055 Firmware Altalink B8065 Firmware Altalink B8075 Firmware Altalink B8090 Firmware Altalink C8030 Firmware Altalink C8035 Firmware Altalink C8045 Firmware Altalink C8055 Firmware Altalink C8070 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Mar 29, 2021 - 20:15 nvd

HIGH 7.5

DescriptionNVD

AnalysisAI

Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before 103.001.020.23120, C8045/C8055 before 103.002.020.23120 and C8070 before 103.003.020.23120 provide the ability to set configuration. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before 103.001.020.23120, C8045/C8055 before 103.002.020.23120 and C8070 before 103.003.020.23120 provide the ability to set configuration attributes without administrative rights. Affected products include: Xerox Altalink B8045 Firmware, Xerox Altalink B8055 Firmware, Xerox Altalink B8065 Firmware, Xerox Altalink B8075 Firmware, Xerox Altalink B8090 Firmware. Version information: before 103.008.020.23120.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.