CVE-2019-3398KEV · OVERDUE

Atlassian Confluence Server and Data Center Path Traversal Vulnerability

High · published April 18, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
8.8
EPSS
97%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A sneaky path traversal vulnerability in Confluence lets mischief-makers write files anywhere they want — if they have a bit of permission! 🤔 Think of it like a delivery service that mistakenly allows a courier to drop off packages wherever they please, including the owner's office or even the CEO's desk—where the real damage can happen! An attacker could exploit this vulnerability to execute remote code, allowing them to take control of the affected server. Picture this: they could read sensitive data, modify files, or even disrupt your entire system, leading to chaos and loss. 😱

Put simply

Think of it like a delivery service that mistakenly allows a courier to drop off packages wherever they please, including the owner's office or even the CEO's desk—where the real damage can happen! This vulnerability allows remote attackers with certain permissions to manipulate the downloadallattachments resource, exploiting a flaw in path traversal to write files to arbitrary locations, potentially leading to remote code execution.

What to do

An attacker could exploit this vulnerability to execute remote code, allowing them to take control of the affected server. Picture this: they could read sensitive data, modify files, or even disrupt your entire system, leading to chaos and loss. 😱 Patch your Confluence Server or Data Center to versions 6.6.13, 6.12.4, 6.13.4, 6.14.3, or 6.15.2 immediately. Also, review user permissions to limit who can add attachments or create spaces. This is critical — don't wait! 🔥 You've got this! Follow these steps to secure your Confluence, and you'll be a security hero in no time! 🦸

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.97028 · 99.9th percentile
Published
2019-04-18T17:21Z
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
  • 18 APR 17:21Z
    Confluence Server and Data Center had a path traversal vulnerability in the downloadallattachments resource
    cvelistv5