CVE-2025-48928: TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere Vulnerability

Patch now

MEDIUM 4.0EXPLOITEDMITIGATE

CVE-2025-48928 is a medium-severity flaw (CVSS 4.0) affecting telemessage, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the wild in May 2025.

Why this priority

Exploited in the wild (CISA KEV)

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	Yes, fix due 2025-07-22
Weakness	CWE-528, CWE-552
Published	2025-05-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smarsh

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-28 17:15 UTCPublished CVE record published
2025-07-01Exploited Added to the CISA Known Exploited Vulnerabilities list
2025-07-22Deadline CISA due date for US federal agencies to patch
2026-06-17 09:30 UTCUpdated Record last modified

smarsh telemessage MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy telemessage || rpm -q telemessage || telemessage --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-48928?

telemessage: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-48928 being exploited?

Yes. CVE-2025-48928 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2025-48928 affect?

CVE-2025-48928 affects telemessage. Severity is medium (CVSS 4.0). The TeleMessage service through 2025-05-05 is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump, as exploited in the wild

How urgent is CVE-2025-48928?

Priority 51/100. Exploited in the wild (CISA KEV)

Related CVEs

CVE-2025-48931 LOW 3.2 UPGRADE The TeleMessage service through 2025-05-05 relies on MD5 for password hashing, which opens up various attack p
CVE-2025-48930 LOW 2.8 UPGRADE The TeleMessage service through 2025-05-05 stores certain cleartext information in memory, even though memory
CVE-2025-48929 MEDIUM 4.0 UPGRADE The TeleMessage service through 2025-05-05 implements authentication through a long-lived credential (e.g., no
CVE-2025-48927 MEDIUM 5.3 EXPLOITED MITIGATE TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerability
CVE-2025-48926 MEDIUM 4.3 UPGRADE The admin panel in the TeleMessage service through 2025-05-05 allows attackers to discover usernames, e-mail a

References

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