VDB-313572 · CVE-2025-52557 · GHSA-34gh-g567-hq85

Mail-0 Zero 0.8 extreme physical environment conditions

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Mail-0 Zero 0.8. The affected element is an unknown function. The manipulation results in improper handling of extreme physical environment conditions. This vulnerability is reported as CVE-2025-52557. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mail-0 Zero 0.8. Affected is an unknown function. The manipulation with an unknown input leads to a improper handling of extreme physical environment conditions vulnerability. CWE is classifying the issue as CWE-1384. The product does not properly handle unexpected physical or environmental conditions that occur naturally or are artificially induced. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Mail-0's Zero is an open-source email solution. In version 0.8 it's possible for an attacker to craft an email that executes javascript leading to session hijacking due to improper sanitization. This issue has been patched in version 0.81.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-52557 since 06/18/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.81 eliminates this vulnerability. Applying the patch 48d1df65b62c9c57897b72b241081f447140342f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18797). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Mail-0

Name

Zero

Version

License

open-source

Website

Product: https://github.com/Mail-0/Zero/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Improper handling of extreme physical environment conditions
CWE: CWE-1384 / CWE-388
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zero 0.81
Patch: 48d1df65b62c9c57897b72b241081f447140342f

Timelineinfo

06/18/2025 🔍
06/21/2025 +3 days 🔍
06/21/2025 +0 days 🔍
06/21/2025 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-34gh-g567-hq85
Status: Confirmed

CVE: CVE-2025-52557 (🔍)
GCVE (CVE): GCVE-0-2025-52557
GCVE (VulDB): GCVE-100-313572
EUVD: 🔍

Entryinfo

Created: 06/21/2025 07:04
Updated: 06/21/2025 07:12
Changes: 06/21/2025 07:04 (68), 06/21/2025 07:12 (1)
Complete: 🔍
Cache ID: 216::103