CVE-2025-27903Network attack vector

Sensitive-data disclosure via cleartext communications

Published Feb 17, 2026 · Updated Feb 17, 2026

Cleartext transmission in IBM Db2 Recovery Expert 5.5 Interim Fix 002 allows man-in-the-middle attackers to read sensitive data. IBM identifies only an unspecified cleartext communication channel and does not disclose the protocol, endpoint, or code path that sends the data. Exploitation requires interception of the affected network communication; no integrity or service-interruption impact is reported.

CVSS severity5.9
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Cleartext transmission in IBM Db2 Recovery Expert 5.5 Interim Fix 002 allows man-in-the-middle attackers to read sensitive data. IBM identifies only an unspecified cleartext communication channel and does not disclose the protocol, endpoint, or code path that sends the data. Exploitation requires interception of the affected network communication; no integrity or service-interruption impact is reported.

The record

CVE
CVE-2025-27903
Published
Feb 17, 2026
Updated
Feb 17, 2026
Vendor
IBM
Product
Db2 Recovery Expert
Classifications
CWE-319, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.5 Interim Fix 002

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Db2 Recovery Expertversion=5.5 Interim Fix 002

Published CVSS scores

5.9IBMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo