CVE-2019-7474 [Medium] | Security Vulnerability in Sonicos

A vulnerability in SonicWall SonicOS and SonicOSv, allow authenticated read-only admin to leave the firewall in an unstable state by downloading certificate with specific extension. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.19%	0.68%	+0.49%
2	2025-03-17	0.08%	0.19%	+0.11%
3	2023-03-07	—	0.08%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.19%

0.68%

+0.49%

2025-03-17

0.08%

0.19%

+0.11%

2023-03-07

—

0.08%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	3.6	[email protected]
4.0	2.0	MEDIUM	`AV:N/AC:L/Au:S/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:S) A single authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	8.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

3.6

[email protected]

4.0

2.0

MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:S): A single authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

8.0

2.9

[email protected]

Affected software / configurations for CVE-2019-7474

Vendor	Product	Version	Raw CPE
sonicwall	sonicos	<= 5.9.1.10	cpe:2.3:o:sonicwall:sonicos::::::::
sonicwall	sonicos	6.0.5.3-86o	cpe:2.3:o:sonicwall:sonicos:6.0.5.3-86o:::::::*
sonicwall	sonicos	6.2.7.3	cpe:2.3:o:sonicwall:sonicos:6.2.7.3:::::::*
sonicwall	sonicos	6.2.7.8	cpe:2.3:o:sonicwall:sonicos:6.2.7.8:::::::*
sonicwall	sonicos	6.4.0.0	cpe:2.3:o:sonicwall:sonicos:6.4.0.0:::::::*
sonicwall	sonicos	6.5.1.3	cpe:2.3:o:sonicwall:sonicos:6.5.1.3:::::::*
sonicwall	sonicos	6.5.1.8	cpe:2.3:o:sonicwall:sonicos:6.5.1.8:::::::*
sonicwall	sonicos	6.5.2.2	cpe:2.3:o:sonicwall:sonicos:6.5.2.2:::::::*
sonicwall	sonicos	6.5.3.1	cpe:2.3:o:sonicwall:sonicos:6.5.3.1:::::::*
sonicwall	sonicosv	6.5.0.2-8v_rc363	cpe:2.3:o:sonicwall:sonicosv:6.5.0.2-8v_rc363:::::vmware::
sonicwall	sonicosv	6.5.0.2.8v_rc366	cpe:2.3:o:sonicwall:sonicosv:6.5.0.2.8v_rc366:::::hyper_v::
sonicwall	sonicosv	6.5.0.2.8v_rc367	cpe:2.3:o:sonicwall:sonicosv:6.5.0.2.8v_rc367:::::azure::
sonicwall	sonicosv	6.5.0.2.8v_rc368	cpe:2.3:o:sonicwall:sonicosv:6.5.0.2.8v_rc368:::::aws::

References for CVE-2019-7474

URL	Tags
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0001	Vendor Advisory

URL

CVE-2019-7474

Exploit prediction scoring system (EPSS) score for CVE-2019-7474

Common vulnerability scoring system (CVSS) metrics for CVE-2019-7474

Weakness enumeration for CVE-2019-7474

Affected software / configurations for CVE-2019-7474

References for CVE-2019-7474