How severe is CVE-2023-27556?

CVE-2023-27556 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-27556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27556?

CVE-2023-27556 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-2023-27556?

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

When was CVE-2023-27556 published?

CVE-2023-27556 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-27556

CVE-2023-27556 is a medium-severity vulnerability in Ibm Safer Payments with a CVSS 3.x base score of 6.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
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, 6.2.0.00, 6.3.0.00 through 6.3.1.03, 6.4.0.00 through 6.4.2.02 and 6.5.0.00 does not properly allocate resources without limits or throttling which could allow a remote attacker to cause a denial of service. IBM X-Force ID: 249190.

Frequently asked questions

What is CVE-2023-27556?: IBM Counter Fraud Management for Safer Payments 6.1.0.00, 6.2.0.00, 6.3.0.00 through 6.3.1.03, 6.4.0.00 through 6.4.2.02 and 6.5.0.00 does not properly allocate resources without limits or throttling which could allow a remote attacker to cause a denial of service. IBM X-Force ID: 249190.
How severe is CVE-2023-27556?: CVE-2023-27556 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-27556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27556?: CVE-2023-27556 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-2023-27556?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27556 published?: CVE-2023-27556 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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