How severe is CVE-2022-42978?

CVE-2022-42978 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-42978 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42978?

CVE-2022-42978 affects Atlassian Confluence Data Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42978?

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

When was CVE-2022-42978 published?

CVE-2022-42978 was published on 2022-11-15 and last updated on 2026-06-17.

CVE-2022-42978

CVE-2022-42978 is a high-severity vulnerability in Atlassian Confluence Data Center with a CVSS 3.x base score of 7.5. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Atlassian Confluence Data Center
Published: 2022-11-15
Last modified: 2026-06-17

Description

In the Netic User Export add-on before 1.3.5 for Atlassian Confluence, authorization is mishandled. An unauthenticated attacker could access files on the remote system.

Frequently asked questions

What is CVE-2022-42978?: In the Netic User Export add-on before 1.3.5 for Atlassian Confluence, authorization is mishandled. An unauthenticated attacker could access files on the remote system.
How severe is CVE-2022-42978?: CVE-2022-42978 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-42978 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42978?: CVE-2022-42978 affects Atlassian Confluence Data Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42978?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-42978 published?: CVE-2022-42978 was published on 2022-11-15 and last updated on 2026-06-17.

References

https://gist.github.com/CveCt0r/34251664a511f1045ce6a5492e94eec1

Affected products (1)

cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*

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