CVE-2021-44026KEV · OVERDUE

Roundcube Webmail SQL Injection Vulnerability

Critical · published November 19, 2021

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.4th percentile for exploit probability.

1199
days past CISA
deadline
CVSS v3.1
9.8
EPSS
70%
Percentile
99.4
In the wild
Confirmed
What it is

🚨 One crafty search query is all it takes to exploit this critical SQL injection flaw in Roundcube! 🔥 Think of it as a restaurant where any patron can sneak into the kitchen with a simple reservation — no checks, no barriers. Just like that, an attacker can manipulate the database with a well-placed search input. With this exploit, an attacker could gain access to sensitive data, modify or delete records, or even take complete control of the database. The potential for a full data breach makes this vulnerability absolutely devastating — if you're running an affected version, your data is at risk!

Put simply

Think of it as a restaurant where any patron can sneak into the kitchen with a simple reservation — no checks, no barriers. Just like that, an attacker can manipulate the database with a well-placed search input. This SQL injection vulnerability allows attackers to execute arbitrary SQL queries through the search or search_params parameters, impacting versions of Roundcube prior to 1.3.17 and 1.4.x before 1.4.12.

What to do

With this exploit, an attacker could gain access to sensitive data, modify or delete records, or even take complete control of the database. The potential for a full data breach makes this vulnerability absolutely devastating — if you're running an affected version, your data is at risk! Patch your Roundcube installation immediately to version 1.3.17 or 1.4.12 to close this critical vulnerability. Additionally, review your database inputs and implement prepared statements to prevent further SQL injection risks. You've got this! Follow these steps, and you'll be back to securing your data in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.69882 · 99.4th percentile
Published
2021-11-19T03:47Z
KEV added
2023-06-22 · due 2023-07-13
EPSS history
Timeline
  • 25 SEP 03:13Z
    EPSS moved 42% → 70%
    epss
  • 22 JUN 00:00Z
    Added to CISA KEV — remediate by Jul 13
    kev
  • 19 NOV 03:47Z
    Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params
    cvelistv5