What is the CVSS score of CVE-2019-11560?

CVE-2019-11560 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.9%.

Hi3516 Firmware CVE-2019-11560

CRITICAL

Out-of-bounds Write (CWE-787)

2019-05-07 cve@mitre.org

Buffer Overflow RCE Memory Corruption Hi3516 Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 07, 2019 - 16:29 nvd

CRITICAL 9.8

DescriptionNVD

A buffer overflow vulnerability in the streaming server provided by hisilicon in HI3516 models allows an unauthenticated attacker to remotely run arbitrary code by sending a special RTSP over HTTP packet. The vulnerability was found in many cameras using hisilicon's hardware and software, as demonstrated by TENVIS cameras 1.3.3.3, 1.2.7.2, 1.2.1.4, 7.1.20.1.2, and 13.1.1.1.7.2; FDT FD7902 11.3.14.1.3 and 10.3.14.1.3; FOSCAM cameras 3.2.1.1.1_0815 and 3.2.2.2.1_0815; and Dericam cameras V11.3.8.1.12.

AnalysisAI

A buffer overflow vulnerability in the streaming server provided by hisilicon in HI3516 models allows an unauthenticated attacker to remotely run arbitrary code by sending a special RTSP over HTTP. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A buffer overflow vulnerability in the streaming server provided by hisilicon in HI3516 models allows an unauthenticated attacker to remotely run arbitrary code by sending a special RTSP over HTTP packet. The vulnerability was found in many cameras using hisilicon's hardware and software, as demonstrated by TENVIS cameras 1.3.3.3, 1.2.7.2, 1.2.1.4, 7.1.20.1.2, and 13.1.1.1.7.2; FDT FD7902 11.3.14.1.3 and 10.3.14.1.3; FOSCAM cameras 3.2.1.1.1_0815 and 3.2.2.2.1_0815; and Dericam cameras V11.3.8.1.12. Affected products include: Hisilicon Hi3516 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).