CVE-2025-11619CWE-295

CVE-2025-11619

High · published October 16, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

⚡ A crafty man-in-the-middle attack could intercept your sensitive traffic due to improper certificate validation in Devolutions Server 2025.3.2 and earlier! 🔥 Think of it like sending a sealed letter but using a postal service that never checks the recipient’s address—anyone along the way can sneak a peek at the contents, and that’s just not cool! 📬 If exploited, an attacker could read, modify, or even hijack your data as it travels to its intended destination, leaving your sensitive information wide open to theft or manipulation. This vulnerability poses a serious risk to your network’s integrity and user privacy, making it essential to tackle this issue head-on!

Put simply

Think of it like sending a sealed letter but using a postal service that never checks the recipient’s address—anyone along the way can sneak a peek at the contents, and that’s just not cool! 📬 This vulnerability stems from improper certificate validation during secure connections to gateways, allowing attackers in a MitM position to intercept and potentially alter communications without detection.

What to do

If exploited, an attacker could read, modify, or even hijack your data as it travels to its intended destination, leaving your sensitive information wide open to theft or manipulation. This vulnerability poses a serious risk to your network’s integrity and user privacy, making it essential to tackle this issue head-on! To remediate this vulnerability, immediately upgrade your Devolutions Server to version 2025.3.3 or later, where this issue is addressed. Additionally, ensure that you properly validate certificates and regularly audit your security practices to prevent such vulnerabilities in the future. You've got this! 🛡️ Follow these steps, and you'll keep your traffic safe and sound!

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2025-10-16T00:15Z
Affected products (2)
ProductVersionsFixed in
devolutions/devolutions_server≥ 2025.3.2.0, < 2025.3.3.02025.3.3.0
devolutions/devolutions_server< 2025.2.15.02025.2.15.0
References (1)
EPSS history
Timeline
  • 15 OCT 19:45Z
    Improper certificate validation when connecting to gateways in Devolutions Server 2025.3.2 and earlier allows attackers in MitM position to intercept traffic
    cvelistv5