CVE-2017-15887CWE-307

An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers…

published November 7, 2017

CVSS
—
EPSS
2%
Percentile
79.9
In the wild
Unconfirmed
What it is

⚡ An improper restriction on login attempts is a sneaky opening for attackers! This flaw in Synology's CardDAV Server can let the bad guys snag user credentials through brute-force attacks. 😱 Think of a bank with a faulty security system that allows unlimited tries on the ATM. An attacker could keep entering combinations like a persistent thief trying to crack the vault! If exploited, this vulnerability could lead to unauthorized access to user accounts, giving attackers the keys to sensitive information. Imagine someone strolling into your private safe and stealing everything—absolutely devastating!

Put simply

Think of a bank with a faulty security system that allows unlimited tries on the ATM. An attacker could keep entering combinations like a persistent thief trying to crack the vault! This vulnerability allows remote attackers to bypass authentication mechanisms by launching brute-force attacks on user accounts without being blocked after several failed attempts. It’s like having a doorman who lets anyone keep trying the same key until it eventually works!

What to do

If exploited, this vulnerability could lead to unauthorized access to user accounts, giving attackers the keys to sensitive information. Imagine someone strolling into your private safe and stealing everything—absolutely devastating! To protect your data, immediately update Synology CardDAV Server to version 6.0.7-0085 or newer. Additionally, consider implementing stronger password policies and account lockout mechanisms to thwart brute-force attempts. 🔒 You’ve got this! Stay proactive with your security measures and keep your accounts safe! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01936 · 79.9th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2017-11-07T15:00Z
EPSS history
Timeline
  • 07 NOV 15:00Z
    An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers…
    cvelistv5