Read the docs
TI-2021-03337 Aliases CVE-2021-20016GHSA-c283-6775-92m9

SQL injection in SonicWall SMA100

Priority CRITICAL 100Exploited in the wildCWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
SQL injection
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-89.

Summary

A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.

Why it matters now

Exploitation Active In CISA KEV since 2021-11-03CISA due date 2021-11-17Known ransomware use
EPSS 0.40038 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonicWallSonicWall SMA100SMA100 build version 10.x—No fix listedCNA
  • SonicWall SMA100 VendorSonicWall Affected SMA100 build version 10.x Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*10.0.0.0 to before 10.2.0.5-d-29svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_100:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_200_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_210_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_400_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_410_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
  • cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:* Versions 10.0.0.0 to before 10.2.0.5-d-29sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_200_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_210_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_400_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_410_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:sonicwall:sma_500v:-:*:*:*:*:*:*:*not specified by NVDVulnerableSonicWall
  • cpe:2.3:a:sonicwall:sma_500v:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SonicWall

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2021-11-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2021-20016
  3. 2026-10-03 Alias added: GHSA-c283-6775-92m9

References

Advisory 1

  • TI-2019-05312 Path traversal in SonicWall SMA100 KEVCVSS 3.1HIGH 7.5
  • TI-2019-05310 SQL injection in SonicWall SMA100 KEVCVSS 3.1HIGH 7.5
  • TI-2025-23850 A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user… CVSS 3.1HIGH 8.8
  • TI-2025-23852 OS command injection in SonicWall SMA100 CVSS 3.1HIGH 7.2
  • TI-2019-05311 Stack-based buffer overflow in SonicWall SMA100 CVSS 3.1CRITICAL 9.8
  • TI-2025-23851 Path traversal in SonicWall SMA100 CVSS 3.1HIGH 8.8
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences