VDB-319299 · CVE-2025-55188 · EUVD-2025-24018

7-Zip up to 25.00 Symbolic Links link following

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in 7-Zip up to 25.00. This affects an unknown part of the component Symbolic Links Handler. Performing a manipulation results in link following. This vulnerability is cataloged as CVE-2025-55188. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in 7-Zip up to 25.00. It has been classified as critical. This affects an unknown functionality of the component Symbolic Links Handler. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

7-Zip before 25.01 does not always properly handle symbolic links during extraction.

It is possible to read the advisory at sourceforge.net. This vulnerability is uniquely identified as CVE-2025-55188 since 08/08/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 259905 (Linux Distros Unpatched Vulnerability : CVE-2025-55188), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 25.01 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (259905) and EUVD (EUVD-2025-24018). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

File Compression Software

Name

7-Zip

Version

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.6
CNA Vector (MITRE): 🔍

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: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 259905
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-55188

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 7-Zip 25.01

Timelineinfo

08/08/2025 🔍
08/08/2025 +0 days 🔍
08/08/2025 +0 days 🔍
08/31/2025 +23 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Confirmed

CVE: CVE-2025-55188 (🔍)
GCVE (CVE): GCVE-0-2025-55188
GCVE (VulDB): GCVE-100-319299
EUVD: 🔍

Entryinfo

Created: 08/08/2025 23:06
Updated: 08/31/2025 21:13
Changes: 08/08/2025 23:06 (64), 08/09/2025 01:33 (1), 08/10/2025 03:42 (4), 08/12/2025 05:08 (1), 08/31/2025 21:13 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.