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TI-2021-03367 Aliases CVE-2021-20049GHSA-8j6m-2r2j-2f2x

Observable discrepancy in SonicWall SMA100

Priority LOW 36CWE-204Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-204.

Summary

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.

Why it matters now

EPSS 0.01391 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonicWallSonicWall SMA100up to 10.2.0.8-37sv; up to 10.2.1.2-24sv—No fix listedCNA
  • SonicWall SMA100 VendorSonicWall Affected up to 10.2.0.8-37sv; up to 10.2.1.2-24sv Fixed in — No fix listed CNA

CPE configurations NVD · 24

CPEVersionsRoleVendor
cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_100_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
cpe:2.3:o:sonicwall:sma_100_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma200:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
  • cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_100_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_100_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
Show 14 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma210:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma400:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma410:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*before 10.0.0.0VulnerableSonicWall
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*10.2.0.8-37svVulnerableSonicWall
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*10.2.1.2-24svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma500v:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
  • cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.0 Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:* Versions 10.2.0.8-37sv Vulnerable ·SonicWall
  • cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.2-24sv:*:*:*:*:*:*:* Versions 10.2.1.2-24sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma500v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20049
  2. 2026-10-03 Alias added: GHSA-8j6m-2r2j-2f2x

References

Advisory 1

  • TI-2021-03337 SQL injection in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 12 →

Sources

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