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Vulnerability Intelligence

CVE-2019-7481

HighExploitedPublic exploit

Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources.

Published Mar 9, 2023 · Updated Aug 12, 2026 · Also known as TR-23-0138

Key Facts

Patch immediately
  • CVE-2019-7481 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Sma 100 Firmware (Sonicwall), SMA100.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 100% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Sma 100 Firmware 9.0.0.4.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

100%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2019-7481 brief as a PDF

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Description

Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources. This vulnerablity impacted SMA100 version 9.0.0.3 and earlier.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021May 3, 2022Known
Industry KEV feedNov 3, 2021May 3, 2022Known
CIRCL KEVNov 3, 2021May 3, 2022Known
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Sma 100 FirmwareSonicwallSee advisory9.0.0.4
SMA100>= 9.0.0.3 and earliern/a

Patched Releases

Sma 100 Firmware

9.0.0.4

Timeline

  1. Added to CISA KEV

    Nov 3, 2021

  2. Added to Industry KEV feed

    Nov 3, 2021

  3. Added to CIRCL KEV

    Nov 3, 2021

  4. Added to ENISA EUVD

    Nov 3, 2021

  5. Publicly disclosed

    Mar 9, 2023

  6. Last updated

    Aug 12, 2026

Weakness Type

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

10 more references in the full CVE brief

FAQ

Common Questions.

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