How severe is CVE-2023-27557?

CVE-2023-27557 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-27557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27557?

CVE-2023-27557 primarily affects Ibm Safer Payments. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27557?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-27557 published?

CVE-2023-27557 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-27557

CVE-2023-27557 is a medium-severity vulnerability in Ibm Safer Payments with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-327.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Ibm Safer Payments
Published: 2023-04-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-27557?: 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.
How severe is CVE-2023-27557?: CVE-2023-27557 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-27557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27557?: CVE-2023-27557 primarily affects Ibm Safer Payments. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27557 published?: CVE-2023-27557 was published on 2023-04-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:safer_payments:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:safer_payments:6.5.0.00:*:*:*:*:*:*:*

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CVE-2024-45662 — High (CVSS 7.5): IBM Safer Payments 6.4.0.00 through 6.4.2.07, 6.5.0.00 through 6.5.0.05, and 6.6.0.00 through 6.6.0.03 could allow a…
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