CVE-2021-20049

mediumpriority · track · 30EPSS 0.014 · 72 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.39% (72nd) EPSS

CVSS 5 · medium

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-22

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.

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:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USprimaryCWE-204US

affected products (20)

Products and version ranges known to be affected.

SonicWall SonicWall SMA100≤ 10.2.1.2-24sv and earlierenisa_euvdEU
SonicWall SonicWall SMA100≤ 10.2.0.8-37sv and earlierenisa_euvdEU
sonicwall sma 100 firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*
sonicwall sma 100 firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*
sonicwall sma 100 firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*
sonicwall sma 200 firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
sonicwall sma 200 firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
sonicwall sma 200 firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
sonicwall sma 210 firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
sonicwall sma 210 firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
sonicwall sma 210 firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
sonicwall sma 400 firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*
sonicwall sma 400 firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*
sonicwall sma 400 firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*
sonicwall sma 410 firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
sonicwall sma 410 firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
sonicwall sma 410 firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
sonicwall sma 500v firmware< 10.0.0.0nvdUScpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*
sonicwall sma 500v firmware= 10.2.0.8-37svnvdUScpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*
sonicwall sma 500v firmware= 10.2.1.2-24svnvdUScpe:2.3:o:sonicwall:sma_500v_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 2021-12-23modified 2026-06-17

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+880 more

references (6)

External citations — patches, advisories, analysis.

scry

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