CVE-2025-27895 IBM CVE debrief

Who should care

Defenders responsible for DB2 Recovery Expert for Linux, UNIX and Windows deployments, particularly those using version 5.5 IF 2, should assess exposure and prioritize patching to prevent potential unauthorized actions within the Web UI. Those responsible for DB2 Recovery Expert deployments should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

Defenders should care about CVE-2025-27895 because it allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI of IBM DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2, potentially leading to credentials disclosure within a trusted session. Those responsible for DB2 Recovery Expert deployments, particularly version 5.5 IF 2, should assess exposure and prioritize patching to prevent potential unauthorized actions within the Web UI.

• Potential credentials disclosure within a trusted session
• Alteration of intended Web UI functionality
• Possible unauthorized actions within the Web UI

Technical summary

IBM DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 is vulnerable to cross-site scripting due to improper input validation, allowing an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI. This vulnerability can lead to credentials disclosure within a trusted session and alteration of intended Web UI functionality. Defenders should prioritize verifying exposure of DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 and applying vendor-provided patches to prevent potential unauthorized actions within the Web UI.

Defensive priority

Defenders should prioritize verifying exposure of DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 and applying vendor-provided patches.

Recommended defensive actions

• Verify exposure of DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2
• Apply vendor-provided patches
• Monitor Web UI activity for suspicious JavaScript code
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. Defenders should verify the exposure of DB2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 and review compensating controls for exposed systems while remediation is scheduled and verified. The source item and CVE record provide source-provided CVE metadata and official vulnerability assessment.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.