How severe is CVE-2020-4556?

CVE-2020-4556 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-4556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4556?

CVE-2020-4556 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4556?

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

When was CVE-2020-4556 published?

CVE-2020-4556 was published on 2023-03-15 and last updated on 2026-06-17.

CVE-2020-4556

CVE-2020-4556 is a medium-severity vulnerability in Ibm Financial Transaction Manager with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Financial Transaction Manager
Published: 2023-03-15
Last modified: 2026-06-17

Description

IBM Financial Transaction Manager for High Value Payments for Multi-Platform 3.2.0 through 3.2.10 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 183329.

Frequently asked questions

What is CVE-2020-4556?: IBM Financial Transaction Manager for High Value Payments for Multi-Platform 3.2.0 through 3.2.10 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 183329.
How severe is CVE-2020-4556?: CVE-2020-4556 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-4556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4556?: CVE-2020-4556 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4556?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4556 published?: CVE-2020-4556 was published on 2023-03-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:financial_transaction_manager:*:*:*:*:*:high_value:*:*

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