CVE-2021-22357

mediumpriority · track · 30EPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages due to validating inputs insufficiently. Attackers can exploit this vulnerability by sending specific messages to affected module. This can cause denial of service. Affected product versions include: S12700 V200R013C00SPC500, V200R019C00SPC500; S5700 V200R013C00SPC500, V200R019C00SPC500; S6700 V200R013C00SPC500, V200R019C00SPC500; S7700 V200R013C00SPC500, V200R019C00SPC500.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

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

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (9)

Products and version ranges known to be affected.

n/a S12700;S5700;S6700;S7700≤ V200R013C00SPC500,V200R019C00SPC500enisa_euvdEU
huawei s12700 firmware= v200r013c00spc500nvdUScpe:2.3:o:huawei:s12700_firmware:*:*:*:*:*:*:*:*
huawei s12700 firmware= v200r019c00spc500nvdUScpe:2.3:o:huawei:s12700_firmware:*:*:*:*:*:*:*:*
huawei s5700 firmware= v200r013c00spc500nvdUScpe:2.3:o:huawei:s5700_firmware:*:*:*:*:*:*:*:*
huawei s5700 firmware= v200r019c00spc500nvdUScpe:2.3:o:huawei:s5700_firmware:*:*:*:*:*:*:*:*
huawei s6700 firmware= v200r013c00spc500nvdUScpe:2.3:o:huawei:s6700_firmware:*:*:*:*:*:*:*:*
huawei s6700 firmware= v200r019c00spc500nvdUScpe:2.3:o:huawei:s6700_firmware:*:*:*:*:*:*:*:*
huawei s7700 firmware= v200r013c00spc500nvdUScpe:2.3:o:huawei:s7700_firmware:*:*:*:*:*:*:*:*
huawei s7700 firmware= v200r019c00spc500nvdUScpe:2.3:o:huawei:s7700_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 2021-08-23modified 2026-06-17

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+25198 more

references (5)

External citations — patches, advisories, analysis.

scry

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