CVE-2021-20028

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.301 · 98 %ileEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

30.1% (98th) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-28remediate by 2022-04-18

required action The impacted product is end-of-life and should be disconnected if still in use.

EPSS · scored 2026-10-24

SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability

Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-89USprimaryCWE-89US

affected products (11)

Products and version ranges known to be affected.

SonicWall SonicWall SRA/SMA100≤ 9.0.0.9-26sv and earlier.enisa_euvdEU
SonicWall SonicWall SRA/SMA100≤ 8.x firmwareenisa_euvdEU
SonicWall SMA 210≤ 9.0.0.10-28svfstec_bduRU
SonicWall SMA 410≤ 9.0.0.10-28svfstec_bduRU
SonicWall SMA 500v≤ 9.0.0.10-28svfstec_bduRU
sonicwall sma 210 firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
sonicwall sma 410 firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
sonicwall sma 500v firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*
sonicwall sra 1600 firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sra_1600_firmware:*:*:*:*:*:*:*:*
sonicwall sra 4600 firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sra_4600_firmware:*:*:*:*:*:*:*:*
sonicwall sra va firmware8.0.0.0 → 9.0.0.10-28svnvdUScpe:2.3:o:sonicwall:sra_va_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-08-04modified 2026-06-17

related (23,843)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-114625US	—OT critical	0.81% (57th)	KEV	2026-10-22
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successf…
CVE-2026-76461US	critical9.8OT critical	29.5% (98th)	KEV	2026-09-14
A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with roo…
CVE-2026-72898US	—OT critical	97.4% (100th)	KEV	2026-08-10
Metabase allows a remote, unauthenticated attacker to inject arbitrary SQL via the '/reset_password' database endpoint and gain administrator access to the connected Metabase insta…
CVE-2026-60137US	—OT critical	5.32% (93rd)	KEV	2026-07-17
WordPress 6.8.x before 6.8.6, 6.9.x before 6.9.5, and 7.0.x before 7.0.2 does not properly sanitise the author__not_in parameter of WP_Query, which could allow SQL Injection when a…
CVE-2026-9586US	critical9.8OT critical	19.0% (97th)	KEV	2026-07-17
An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with <PolycomIPPhone> and dire…

+23838 more

references (5)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan