CVE-2024-55897 | IBM PowerHA SystemMirror for i information disclosure

IBM PowerHA SystemMirror for i 7.4 and 7.5 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.

Published: 2025-01-03 Last update: 2025-06-20 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-55897 is rated Low Risk (24.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-55897

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-12 0.04% 0.07% +0.03%
2 2026-02-11 0.07% 0.04% -0.04%
3 2026-02-07 0.07%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-55897

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2024-55897

Affected software / configurations for CVE-2024-55897

Vendor Product Version Raw CPE
ibm powerha_system_mirror cpe:2.3:a:ibm:powerha_system_mirror:-:*:*:*:*:*:*:*

References for CVE-2024-55897

cvelogic Threat Intelligence