CVE-2021-20028
SonicWall — SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability
SonicWall · CWE-89 — SQL injection · in CISA KEV since 2022-03-28
EVRS 85 of 100 Immediate
Out-of-Band / Urgent Remediation
Rank 432 of 2,954 tracked
Raised to the floor for a confirmed exploited vulnerability.
Why it scores 85
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and associated with known ransomware campaigns.
- CISA KEVApplied
- RansomwareApplied
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
sma 210 firmware: update to 9.0.0.10-28sv or later | sma 410 firmware: update to 9.0.0.10-28sv or later | sma 500v firmware: update to 9.0.0.10-28sv or later | sra 4600 firmware: update to 9.0.0.10-28sv or later | sra 1600 firmware: update to 9.0.0.10-28sv or later | sra va firmware: update to 9.0.0.10-28sv or later
Affected versions
- sma 210 firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sma 410 firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sma 500v firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sra 4600 firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sra 1600 firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sra va firmware
>= 8.0.0.0 < 9.0.0.10-28sv - sma 210
- sma 410
+4 more affected products; see the full list at NVD.
Remediation
The impacted product is end-of-life and should be disconnected if still in use.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.301 (98.2nd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Known | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2022-04-18 · KEV since 2022 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by sonicwall. | Listed | ENISA EUVD |
Description
NVDImproper 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
What CISA says to do