How severe is CVE-2021-42767?

CVE-2021-42767 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-2021-42767 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42767?

CVE-2021-42767 affects Neo4j Awesome Procedures. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42767?

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-2021-42767 published?

CVE-2021-42767 was published on 2022-03-01 and last updated on 2026-06-17.

CVE-2021-42767

CVE-2021-42767 is a critical-severity vulnerability in Neo4j Awesome Procedures 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Neo4j Awesome Procedures
Published: 2022-03-01
Last modified: 2026-06-17

Description

A directory traversal vulnerability in the apoc plugins in Neo4J Graph database before 4.4.0.1 allows attackers to read local files, and sometimes create local files. This is fixed in 3.5.17, 4.2.10, 4.3.0.4, and 4.4.0.1.

Frequently asked questions

What is CVE-2021-42767?: A directory traversal vulnerability in the apoc plugins in Neo4J Graph database before 4.4.0.1 allows attackers to read local files, and sometimes create local files. This is fixed in 3.5.17, 4.2.10, 4.3.0.4, and 4.4.0.1.
How severe is CVE-2021-42767?: CVE-2021-42767 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-2021-42767 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42767?: CVE-2021-42767 affects Neo4j Awesome Procedures. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42767?: 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-2021-42767 published?: CVE-2021-42767 was published on 2022-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:neo4j:awesome_procedures:*:*:*:*:*:neo4j:*:*

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