CVE-2017-16651highunder attackCWE-552

CVE-2017-16651

Published · Updated

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98Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 7.8epss 46%
from disclosure to weapon1154 days
Published on NVDNov 9
1st PoC+1154d
metasploitNov 9
CISA KEV+1455d
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Not affected
1 product — because the vulnerable code is not present in the product
red_hat_products
Action required by CISAfederal deadline: 2022-05-03

Apply updates per vendor instructions.

In short

Roundcube Webmail has a flaw that lets authenticated users access files they shouldn't be able to read on the server, including sensitive configuration files. An attacker needs valid login credentials to exploit this vulnerability.

Technical detail

CWE-552 path traversal vulnerability in Roundcube's file-based attachment plugins and timezone upload handler allows authenticated attackers to read arbitrary files via crafted requests to _task=settings&_action=upload-display&_from=timezone. Exploitation requires valid authentication credentials and an active session; impact includes unauthorized disclosure of sensitive configuration data and system files.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Roundcube Webmail before 1.1.10, 1.2.x before 1.2.7, and 1.3.x before 1.3.3 allows unauthorized access to arbitrary files on the host's filesystem, including configuration files, as exploited in the wild in November 2017. The attacker must be able to authenticate at the target system with a valid username/password as the attack requires an active session. The issue is related to file-based attachment plugins and _task=settings&_action=upload-display&_from=timezone requests.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/a
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