VDB-338405 · CVE-2025-66378 · EUVD-2025-205374

Pexip Infinity up to 38.x RTMP authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Pexip Infinity up to 38.x. Affected by this issue is some unknown functionality of the component RTMP. The manipulation leads to authorization. This vulnerability is referenced as CVE-2025-66378. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Pexip Infinity up to 38.x and classified as problematic. This issue affects an unknown code of the component RTMP. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is availability. The summary by CVE is:

Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in the RTMP implementation, allowing an attacker to disconnect RTMP streams traversing a Proxy Node.

The advisory is shared at docs.pexip.com. The identification of this vulnerability is CVE-2025-66378 since 11/28/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 39.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-4780) and EUVD (EUVD-2025-205374). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Pexip

Name

Infinity

Version

38.x

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.9
CNA Vector (MITRE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Infinity 39.0

Timelineinfo

11/28/2025 CVE reserved
12/25/2025 +27 days Advisory disclosed
12/25/2025 +0 days VulDB entry created
01/05/2026 +11 days VulDB entry last update

Sourcesinfo

Advisory: docs.pexip.com
Status: Confirmed

CVE: CVE-2025-66378 (🔒)
GCVE (CVE): GCVE-0-2025-66378
GCVE (VulDB): GCVE-100-338405
EUVD: 🔒
CNNVD: CNNVD-202512-4780 - Pexip Infinity 安全漏洞

Entryinfo

Created: 12/25/2025 08:48
Updated: 01/05/2026 21:27
Changes: 12/25/2025 08:48 (63), 12/25/2025 10:03 (1), 12/26/2025 20:11 (6), 12/27/2025 15:28 (1), 12/28/2025 15:31 (1), 01/05/2026 21:27 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.