What is the CVSS score of CVE-2020-13527?

CVE-2020-13527 has a CVSS 3.1 base score of 4.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.6%.

Xport Edge Firmware CVE-2020-13527

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2020-12-18 talos-cna@cisco.com

CSRF Authentication Bypass Xport Edge Firmware Sgx Firmware

4.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Dec 18, 2020 - 00:15 nvd

MEDIUM 4.5

DescriptionNVD

An authentication bypass vulnerability exists in the Web Manager functionality of Lantronix XPort EDGE 3.0.0.0R11, 3.1.0.0R9, 3.4.0.0R12 and 4.2.0.0R7. A specially crafted HTTP request can cause increased privileges. An attacker can send an HTTP request to trigger this vulnerability.

AnalysisAI

An authentication bypass vulnerability exists in the Web Manager functionality of Lantronix XPort EDGE 3.0.0.0R11, 3.1.0.0R9, 3.4.0.0R12 and 4.2.0.0R7. Rated medium severity (CVSS 4.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. An authentication bypass vulnerability exists in the Web Manager functionality of Lantronix XPort EDGE 3.0.0.0R11, 3.1.0.0R9, 3.4.0.0R12 and 4.2.0.0R7. A specially crafted HTTP request can cause increased privileges. An attacker can send an HTTP request to trigger this vulnerability. Affected products include: Lantronix Xport Edge Firmware, Lantronix Sgx Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.