Vulnerability Monitor

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CVE-2020-1866


There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions V500R001C30,V500R001C60SPC500,V500R005C00;S12700 versions V200R008C00;S2700 versions V200R008C00;S5700 versions V200R008C00;S6700 versions V200R008C00;S7700 versions V200R008C00;S9700 versions V200R008C00;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00;USG9500 versions V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 18 products from huawei, from huawei, from huawei and 15 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-01-13T23:15:13.367

Last Modified

2024-11-21T05:11:30.670

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

6.5

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-125

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System huawei nip6800_firmware v500r001c30 Yes
Operating System huawei nip6800_firmware v500r001c60spc500 Yes
Operating System huawei nip6800_firmware v500r005c00 Yes
Hardware huawei nip6800 - No
Operating System huawei s12700_firmware v200r008c00 Yes
Hardware huawei s12700 - No
Operating System huawei s2700_firmware v200r008c00 Yes
Hardware huawei s2700 - No
Operating System huawei s5700_firmware v200r008c00 Yes
Hardware huawei s5700 - No
Operating System huawei s6700_firmware v200r008c00 Yes
Hardware huawei s6700 - No
Operating System huawei s7700_firmware v200r008c00 Yes
Hardware huawei s7700 - No
Operating System huawei s9700_firmware v200r008c00 Yes
Hardware huawei s9700 - No
Operating System huawei secospace_usg6600_firmware v500r001c30spc200 Yes
Operating System huawei secospace_usg6600_firmware v500r001c30spc600 Yes
Operating System huawei secospace_usg6600_firmware v500r001c60spc500 Yes
Operating System huawei secospace_usg6600_firmware v500r005c00 Yes
Hardware huawei secospace_usg6600 - No
Operating System huawei usg9500_firmware v500r001c30spc300 Yes
Operating System huawei usg9500_firmware v500r001c30spc600 Yes
Operating System huawei usg9500_firmware v500r001c60spc500 Yes
Operating System huawei usg9500_firmware v500r005c00 Yes
Hardware huawei usg9500 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For huawei's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.