CVE-2023-35808 [High] | File Upload / RCE in Sugarcrm

An issue was discovered in SugarCRM Enterprise before 11.0.6 and 12.x before 12.0.3. An Unrestricted File Upload vulnerability has been identified in the Notes module. By using crafted requests, custom PHP code can be injected and executed through the Notes module because of missing input validation. Regular user privileges can be used to exploit this vulnerability. Editions other than Enterprise are also affected.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-18	1.01%	1.26%	+0.25%
2	2026-06-15	0.35%	1.01%	+0.66%
3	2026-04-13	—	0.35%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-18

1.01%

1.26%

+0.25%

2026-06-15

0.35%

1.01%

+0.66%

2026-04-13

—

0.35%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	[email protected]
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

[email protected]

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

134c704f-9b21-4f2e-91b3-4a467353bcc0

Affected software / configurations for CVE-2023-35808

Vendor	Product	Version	Raw CPE
sugarcrm	sugarcrm	>= 11.0.0, < 11.0.6	cpe:2.3:a:sugarcrm:sugarcrm:::::enterprise:::*
sugarcrm	sugarcrm	>= 11.0.0, < 11.0.6	cpe:2.3:a:sugarcrm:sugarcrm:::::professional:::*
sugarcrm	sugarcrm	>= 11.0.0, < 11.0.6	cpe:2.3:a:sugarcrm:sugarcrm:::::sell:::*
sugarcrm	sugarcrm	>= 11.0.0, < 11.0.6	cpe:2.3:a:sugarcrm:sugarcrm:::::serve:::*
sugarcrm	sugarcrm	>= 11.0.0, < 11.0.6	cpe:2.3:a:sugarcrm:sugarcrm:::::ultimate:::*
sugarcrm	sugarcrm	>= 12.0.0, < 12.0.3	cpe:2.3:a:sugarcrm:sugarcrm:::::enterprise:::*
sugarcrm	sugarcrm	>= 12.0.0, < 12.0.3	cpe:2.3:a:sugarcrm:sugarcrm:::::sell:::*
sugarcrm	sugarcrm	>= 12.0.0, < 12.0.3	cpe:2.3:a:sugarcrm:sugarcrm:::::serve:::*

References for CVE-2023-35808

URL	Tags
http://packetstormsecurity.com/files/174300/SugarCRM-12.2.0-Shell-Upload.html
http://seclists.org/fulldisclosure/2023/Aug/26
https://support.sugarcrm.com/Resources/Security/sugarcrm-sa-2023-006/	Vendor Advisory

URL

CVE-2023-35808

Exploit prediction scoring system (EPSS) score for CVE-2023-35808

Common vulnerability scoring system (CVSS) metrics for CVE-2023-35808

Weakness enumeration for CVE-2023-35808

Affected software / configurations for CVE-2023-35808

References for CVE-2023-35808