Multiple vulnerabilities in Ivanti Connect Secure

Published: 2025-01-08 | Updated: 2025-01-23

Risk	Critical
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-0282 CVE-2025-0283
CWE-ID	CWE-121
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software	Ivanti Connect Secure (formerly Pulse Connect Secure) Server applications / Remote access servers, VPN
Vendor	Ivanti

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stack-based buffer overflow

EUVDB-ID: #VU102473

Risk: Critical

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2025-0282

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling untrusted input. A remote unauthenticated attacker can send specially crafted packets to the system, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild against Ivanti Connect Secure instances.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): 22.7R2 - 22.7R2.4

CPE2.3

External links

http://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

2) Stack-based buffer overflow

EUVDB-ID: #VU102474

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2025-0283

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.