CVE-2020-1830

mediumpriority · track · 21EPSS 0.007 · 54 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.73% (54th) EPSS

CVSS 5 · medium

Is it mine?

18 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimary

affected products (18)

Products and version ranges known to be affected.

Huawei NIP6800≤ V500R005C00enisa_euvdEU
Huawei NIP6800≤ V500R001C60SPC500enisa_euvdEU
Huawei NIP6800≤ V500R001C30enisa_euvdEU
Huawei Secospace USG6600, USG9500≤ V500R001C30SPC600enisa_euvdEU
Huawei Secospace USG6600, USG9500≤ V500R001C30SPC200enisa_euvdEU
Huawei Secospace USG6600, USG9500≤ V500R001C60SPC500enisa_euvdEU
Huawei Secospace USG6600, USG9500≤ V500R005C00enisa_euvdEU
huawei nip6800 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei nip6800 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei nip6800 firmware= v500r005c00nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30spc200nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30spc600nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r005c00nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c30spc200nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c30spc600nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r001c60spc500nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*
huawei usg9500 firmware= v500r005c00nvdUScpe:2.3:o:huawei:usg9500_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-02-18modified 2026-06-17

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+11772 more

references (5)

External citations — patches, advisories, analysis.

scry

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