What is the CVSS score of CVE-2019-5247?

CVE-2019-5247 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Atlas 300 Firmware CVE-2019-5247

MEDIUM

Classic Buffer Overflow (CWE-120)

2019-11-29 psirt@huawei.com

Huawei Buffer Overflow Atlas 300 Firmware Atlas 500 Firmware

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 29, 2019 - 21:15 nvd

MEDIUM 5.5

DescriptionNVD

Huawei Atlas 300, Atlas 500 have a buffer overflow vulnerability. A local, authenticated attacker may craft specific parameter and send to the process to exploit this vulnerability. Successfully exploit may cause service crash.

AnalysisAI

Huawei Atlas 300, Atlas 500 have a buffer overflow vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Huawei Atlas 300, Atlas 500 have a buffer overflow vulnerability. A local, authenticated attacker may craft specific parameter and send to the process to exploit this vulnerability. Successfully exploit may cause service crash. Affected products include: Huawei Atlas 300 Firmware, Huawei Atlas 500 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.