CVE-2023-27557: IBM Safter Payments information disclosure

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-28 · updated 2026-06-17
Weakness: CWE-327

Description

IBM Counter Fraud Management for Safer Payments 6.1.0.00 through 6.1.1.02, 6.2.0.00 through 6.2.2.02, 6.3.0.00 through 6.3.1.02, 6.4.0.00 through 6.4.2.01, and 6.5.0.00 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 249192.

Affected products

IBM Safer Payments: from 6.1.0.00 before 6.1.1.03; from 6.2.0.00 before 6.2.2.03; from 6.3.0.00 before 6.3.1.03; from 6.4.0.00 before 6.4.2.02; 6.5.0.00 — fixed in 6.1.1.03, 6.2.2.03, 6.3.1.03, 6.4.2.02

How to fix

Upgrade to a fixed version: IBM Safer Payments 6.1.1.03, 6.2.2.03, 6.3.1.03, 6.4.2.02. Check the vendor advisory for mitigations.

References

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