RCE in Smarsh Telemessage
CVE-2025-48927
The TeleMessage service through 2025-05-05 configures Spring Boot Actuator with an exposed heap dump endpoint at a /heapdump URI, as exploited in the wild in May 2025.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.111 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000
Affected products
- Smarsh Telemessage
- Telemessage Service — versions 0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-m… (Press/Media Coverage)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2025-48927?
- CVE-2025-48927 is a medium-severity vulnerability in Smarsh Telemessage, classified under Initialization of a Resource with an Insecure Default. CVSS score: 5.3/10. Published 2025-05-28.
- How severe is CVE-2025-48927?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-48927 known to be exploited?
- Yes. CVE-2025-48927 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-01), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.