Acrolinx Server up to 5.2.4 on Windows path traversal

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Acrolinx Server up to 5.2.4 on Windows. The impacted element is an unknown function. Executing a manipulation can lead to path traversal. This vulnerability is tracked as CVE-2018-7719. The attack can be launched remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Acrolinx Server up to 5.2.4 on Windows. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Acrolinx Server before 5.2.5 on Windows allows Directory Traversal.

The bug was discovered 03/21/2018. The weakness was disclosed 03/25/2018 (Website). The advisory is shared for download at support.acrolinx.com. This vulnerability was named CVE-2018-7719 since 03/06/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.2.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44345). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Acrolinx

Name

Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 831543
OpenVAS Name: MikroTik RouterOS RCE Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 5.2.5

Timelineinfo

03/06/2018 🔍
03/21/2018 +15 days 🔍
03/25/2018 +4 days 🔍
03/25/2018 +0 days 🔍
03/26/2018 +1 days 🔍
10/20/2025 +2765 days 🔍

Sourcesinfo

Advisory: support.acrolinx.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-7719 (🔍)
GCVE (CVE): GCVE-0-2018-7719
GCVE (VulDB): GCVE-100-115012
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/26/2018 10:01
Updated: 10/20/2025 13:00
Changes: 03/26/2018 10:01 (63), 01/16/2020 15:43 (5), 10/20/2025 13:00 (18)
Complete: 🔍
Cache ID: 216::103