Vulnerability Report

CVE-2026-3517

RCE

Title: OS Command Injection RCE in Progress ADC Products API (addcountry)

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-3517.

CWE Category CWE-77

Published Date Apr 20, 2026

Modified Date May 01, 2026

Exploit Status Not Found

Score 8.4 CVSS v3.1

Exploit Probability (EPSS)

0.27%

Vulnerability Summary

CVE-2026-3517: OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “Geo Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'addcountry' command

Impacted Vendors

progress 3

kemptechnologies 1

Reference Links

https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.4

Attack Vector

ADJACENT_NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-3517 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 01, 2026 MODIFIED

Vulnerability data updated via NVD.

April 20, 2026 MODIFIED

Vulnerability data updated via NVD.

April 20, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector ADJACENT_NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.