What is CVE-2020-1865?

CVE-2020-1865 is a medium-severity vulnerability in Huawei Cloudengine 12800, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2021-01-13.

How severe is CVE-2020-1865?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Huawei Cloudengine 12800

CVE-2020-1865

There is an out-of-bounds read vulnerability in Huawei CloudEngine products. The software reads data past the end of the intended buffer when parsing certain PIM message, an adjacent attacker could send crafted PIM messages to the device, successful exploit could cause out of bounds read when the system does the certain operation.

Vulnerability class: Buffer Overflow

Published 2021-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.8th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Huawei Cloudengine 12800
Huawei Cloudengine 12800 Firmware — versions v200r002c50spc800, v200r003c00spc810, v200r005c00spc800
Huawei Cloudengine 5800
Huawei Cloudengine 5800 Firmware — versions v200r002c50spc800, v200r003c00spc810, v200r005c00spc800
Huawei Cloudengine 6800
Huawei Cloudengine 6800 Firmware — versions v200r002c50spc800, v200r003c00spc810, v200r005c00spc800
Huawei Cloudengine 7800
Huawei Cloudengine 7800 Firmware — versions v200r002c50spc800, v200r003c00spc810, v200r005c00spc800
Cloudengine 12800;cloudengine 5800;cloudengine 6800;cloudengine 7800 — versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800, V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800,V200R019C10SPC800

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20201230-02-cloudengine-en (Vendor Advisory)

Frequently asked questions

What is CVE-2020-1865?: CVE-2020-1865 is a medium-severity vulnerability in Huawei Cloudengine 12800, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2021-01-13.
How severe is CVE-2020-1865?: Medium severity. CVSS v3 base score is 6.5 out of 10.