CVE-2020-1830

5.3 MEDIUM 0.7% exploit odds Fix listed

What it is

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a vulnerability that a memory management error exists when IPSec Module handing a specific message. This causes 1 byte out-of-bound read, compromising normal service.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-02-18 00:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:02 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 5.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-02-18 00:15 UTC
Last modified: 2026-06-17 03:02 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-125 · Out-of-bounds read
Record status: Modified

Affected

Huawei nip6800 Firmware v500r001c30
Huawei nip6800 Firmware v500r001c60spc500
Huawei nip6800 Firmware v500r005c00
Huawei Secospace usg6600 Firmware v500r001c30spc200
Huawei Secospace usg6600 Firmware v500r001c30spc600
Huawei Secospace usg6600 Firmware v500r001c60spc500
Huawei Secospace usg6600 Firmware v500r005c00
Huawei usg9500 Firmware v500r001c30spc200

Attack profile CVSS 3.1 · 5.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-1830.md and follow it. Check whether this project is affected by CVE-2020-1830. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record