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Vulnerability record · CVE-2025-48929 · published 28 May 2025

CVE-2025-48929: Smarsh telemessage insufficient session expiration vulnerability

Smarsh · Telemessage

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.

9.8 CVSS 3.1 Critical EPSS 0.32% · top 77.6% CWE-922 · CWE-922CWE-613 · Insufficient session expiration
9.8CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/ Press/Media Coverage

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.3CVE-2025-48927TeleMessage Spring Boot Actuator heap dump endpoint exposed by insecure defaultTeleMessage through 2025-05-05 ships with Spring Boot Actuator configured to expose the /heapdump endpoint. Because this is an insecure default initi…KEVEPSS 11%analysed4.0CVE-2025-48928TeleMessage TM SGNL JSP heap dump exposes passwords sent over HTTPThe TeleMessage service through 2025-05-05 runs a JSP application whose heap content is roughly equivalent to a core dump, and a password previously …KEVEPSS 0.55%analysed7.5CVE-2025-48925Smarsh telemessage vulnerabilityThe TeleMessage service through 2025-05-05 relies on the client side (e.g., the TM SGNL app) to do MD5 hashing, and then accepts the hash as the auth…EPSS 0.26%7.5CVE-2025-48926Smarsh telemessage authentication bypass via alternate path vulnerabilityThe admin panel in the TeleMessage service through 2025-05-05 allows attackers to discover usernames, e-mail addresses, passwords, and telephone numb…EPSS 0.25%7.5CVE-2025-47730Smarsh telemessage hard-coded credentials vulnerabilityThe TeleMessage archiving backend through 2025-05-05 accepts API calls (to request an authentication token) from the TM SGNL (aka Archive Signal) app…EPSS 0.37%5.5CVE-2025-48931Smarsh telemessage vulnerabilityThe TeleMessage service through 2025-05-05 relies on MD5 for password hashing, which opens up various attack possibilities (including rainbow tables)…EPSS 0.09%5.3CVE-2025-48930Smarsh telemessage vulnerabilityThe TeleMessage service through 2025-05-05 stores certain cleartext information in memory, even though memory content may be accessible to an adversa…EPSS 0.13%

Source: NIST National Vulnerability Database (record CVE-2025-48929), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.