CVE-2018-15811KEV · OVERDUE

DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

High · published July 3, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.5. It is confirmed in active exploitation. It sits in the 99.5th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
7.5
EPSS
76%
Percentile
99.5
In the wild
Confirmed
What it is

⚡ A weak encryption algorithm in DNN 9.2 through 9.2.1 is leaving your input parameters as vulnerable as an unlocked diary — easy for anyone to read! 🔓 Think of it like using a flimsy lock on your front door. A determined intruder can breeze right in without breaking a sweat, and that’s exactly what this vulnerability allows. It’s the kind of oversight that can turn your cozy home into a burglar's playground. An attacker could potentially intercept and manipulate sensitive information sent to your DNN instance, opening the door to data theft or malicious activity. With input parameters exposed, the risk of unauthorized actions becomes alarmingly high! This vulnerability is not just a little crack in your security fortress; it’s a gaping hole that could lead to catastrophic breaches.

Put simply

Think of it like using a flimsy lock on your front door. A determined intruder can breeze right in without breaking a sweat, and that’s exactly what this vulnerability allows. It’s the kind of oversight that can turn your cozy home into a burglar's playground. CVE-2018-15811 is a vulnerability in DNN platforms 9.2 to 9.2.1 that employs a weak encryption algorithm for securing input parameters, allowing attackers to bypass security measures and access sensitive data.

What to do

An attacker could potentially intercept and manipulate sensitive information sent to your DNN instance, opening the door to data theft or malicious activity. With input parameters exposed, the risk of unauthorized actions becomes alarmingly high! This vulnerability is not just a little crack in your security fortress; it’s a gaping hole that could lead to catastrophic breaches. To protect your site, immediately upgrade to DNN version 9.2.2 or later where this issue is addressed. Additionally, review your encryption practices to ensure they're robust enough to handle potential threats. Regular audits of your security measures can also help in identifying any similar weaknesses. You’ve got this! Patch up, strengthen your locks, and keep your digital kingdom safe! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.76304 · 99.5th percentile
Published
2019-07-03T16:23Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 03 JUL 16:23Z
    DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters
    cvelistv5