CVE-2025-10225

Incorrect Memory Allocation in OpenSSL-Based Session Module in AxxonSoft Axxon One (C-Werk)

Published Sep 10, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One (C-Werk) 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys.

Remediation

Vendor Solution

Upgrade to Axxon One (C-Werk) with OpenSSL 3.0.13 or later, where session key management logic was refactored to avoid unsafe memory reallocations.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-27539 Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys.
History
Type Values Removed Values Added
Description Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys. Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One (C-Werk) 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys.
Title Incorrect Memory Allocation in OpenSSL-Based Session Module in AxxonSoft Axxon One Incorrect Memory Allocation in OpenSSL-Based Session Module in AxxonSoft Axxon One (C-Werk)
Type Values Removed Values Added
CPEs cpe:2.3:a:axxonsoft:axxon_one:*:*:*:*:*:windows:*:*
Type Values Removed Values Added
First Time appeared Axxonsoft
Axxonsoft axxon One
Microsoft
Microsoft windows
Vendors & Products Axxonsoft
Axxonsoft axxon One
Microsoft
Microsoft windows
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) in the OpenSSL-based session module in AxxonSoft Axxon One 2.0.6 and earlier on Windows allows a remote attacker under high load conditions to cause application crashes or unpredictable behavior via triggering memory reallocation errors when handling expired session keys.
Title Incorrect Memory Allocation in OpenSSL-Based Session Module in AxxonSoft Axxon One
Weaknesses CWE-119
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AxxonSoft
Published
Updated
Oct 8, 2025, 11:51 AM
Reserved
Sep 10, 2025, 12:37 PM
Status
Modified
Published
Sep 10, 2025, 1:15 PM
Modified
Sep 26, 2026, 12:10 AM