CRITICALCVSS 9.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-20016

SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.

Properties

Euvd product
SonicWall SMA100
Vulnerability name
SonicWall SSLVPN SMA100 SQL Injection Vulnerability
First seen
2026-08-12T03:55:38+00:00
Cvss score
9.8
Epss score
0.40038
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
sonicwall
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Euvd base score version
3.1
Score
9.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
SonicWall
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8

Related Entities (14)

AFFECTS_PRODUCT (11)

→[Product]cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:sonicwall:sma_100:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:sonicwall:sma_410_firmware:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:sonicwall:sma_500v:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:sonicwall:sma_200_firmware:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:sonicwall:sma_210_firmware:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:sonicwall:sma_400_firmware:-:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]SonicWall SSLVPN SMA100 SQL Injection Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2021-20016 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal