How severe is CVE-2020-1963?

CVE-2020-1963 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-1963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1963?

CVE-2020-1963 affects Apache Ignite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-1963 published?

CVE-2020-1963 was published on 2020-06-03 and last updated on 2026-06-17.

CVE-2020-1963

CVE-2020-1963 is a critical-severity vulnerability in Apache Ignite with a CVSS 3.x base score of 9.1. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Apache Ignite
Published: 2020-06-03
Last modified: 2026-06-17

Description

Apache Ignite uses H2 database to build SQL distributed execution engine. H2 provides SQL functions which could be used by attacker to access to a filesystem.

Frequently asked questions

What is CVE-2020-1963?: Apache Ignite uses H2 database to build SQL distributed execution engine. H2 provides SQL functions which could be used by attacker to access to a filesystem.
How severe is CVE-2020-1963?: CVE-2020-1963 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-1963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1963?: CVE-2020-1963 affects Apache Ignite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-1963 published?: CVE-2020-1963 was published on 2020-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:ignite:*:*:*:*:*:*:*:*

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