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CVE-2025-48929: CWE-922 Insecure Storage of Sensitive Information in TeleMessage service

Medium
VulnerabilityCVE-2025-48929cvecve-2025-48929cwe-922
Published: Wed May 28 2025 (05/28/2025, 00:00:00 UTC)
Source: CVE Database V5
Vendor/Project: TeleMessage
Product: service

Description

The TeleMessage service through 2025-05-05 implements authentication through a long-lived credential (e.g., not a token with a short expiration time) that can be reused at a later date if discovered by an adversary.

AI-Powered Analysis

AILast updated: 07/07/2025, 04:42:16 UTC

Technical Analysis

CVE-2025-48929 is a medium-severity vulnerability classified under CWE-922, which pertains to the insecure storage of sensitive information. Specifically, the TeleMessage service, up to the version released on or before May 5, 2025, employs an authentication mechanism relying on long-lived credentials rather than short-lived tokens. These credentials do not expire quickly and can be reused multiple times. If an attacker manages to discover or extract these credentials, they can reuse them indefinitely to gain unauthorized access to the service. The vulnerability arises because the sensitive authentication tokens are stored or managed insecurely, increasing the risk of credential leakage. The CVSS 3.1 base score is 4.0, indicating a medium severity level, with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N. This means the attack can be performed remotely over the network (AV:N) but requires high attack complexity (AC:H), no privileges (PR:N), and no user interaction (UI:N). The scope is changed (S:C), meaning the vulnerability affects resources beyond the initially vulnerable component. The impact on confidentiality is low (C:L), with no impact on integrity or availability. No known exploits are currently reported in the wild, and no patches have been linked yet. The core issue is the insecure handling and storage of authentication credentials that do not expire promptly, increasing the window of opportunity for attackers to compromise accounts or services if credentials are leaked or stolen.

Potential Impact

For European organizations using the TeleMessage service, this vulnerability poses a risk of unauthorized access if an attacker obtains the long-lived credentials. Although the impact on confidentiality is rated low, the compromised credentials could allow adversaries to impersonate legitimate users or services, potentially leading to unauthorized information disclosure or misuse of the service. Since the vulnerability does not affect integrity or availability directly, the immediate operational disruption risk is low. However, the persistence of credentials increases the risk exposure duration, making it easier for attackers to exploit the vulnerability over time. Organizations handling sensitive communications or regulated data (e.g., under GDPR) could face compliance and reputational risks if unauthorized access leads to data breaches. The high attack complexity reduces the likelihood of widespread exploitation, but targeted attacks against high-value accounts remain a concern. The changed scope indicates that the vulnerability could allow access beyond the initially vulnerable component, potentially affecting interconnected systems or services within an organization's infrastructure.

Mitigation Recommendations

European organizations should implement the following specific mitigations: 1) Transition from long-lived credentials to short-lived, expiring tokens (e.g., OAuth tokens with limited lifetimes) to reduce the risk window if credentials are compromised. 2) Enforce secure storage mechanisms for authentication credentials, such as hardware security modules (HSMs) or encrypted vaults with strict access controls. 3) Implement multi-factor authentication (MFA) to add an additional layer of security beyond the compromised credentials. 4) Monitor authentication logs for unusual or repeated access patterns that may indicate credential misuse. 5) Rotate existing credentials proactively and invalidate any long-lived tokens currently in use. 6) Apply network segmentation and least privilege principles to limit the impact scope if credentials are compromised. 7) Engage with TeleMessage for updates or patches addressing this vulnerability and plan timely deployment once available. 8) Conduct regular security audits and penetration testing focused on authentication mechanisms to identify and remediate similar issues.

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Technical Details

Data Version
5.1
Assigner Short Name
mitre
Date Reserved
2025-05-28T00:00:00.000Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6837447f182aa0cae2557b2f

Added to database: 5/28/2025, 5:14:39 PM

Last enriched: 7/7/2025, 4:42:16 AM

Last updated: 8/5/2025, 5:32:49 AM

Views: 16

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