How severe is CVE-2022-42977?

CVE-2022-42977 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-2022-42977 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-2022-42977?

CVE-2022-42977 affects Atlassian Confluence Data Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42977?

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-2022-42977 published?

CVE-2022-42977 was published on 2022-11-15 and last updated on 2026-06-17.

CVE-2022-42977

CVE-2022-42977 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Atlassian Confluence Data Center
Published: 2022-11-15
Last modified: 2026-06-17

Description

The Netic User Export add-on before 1.3.5 for Atlassian Confluence has the functionality to generate a list of users in the application, and export it. During export, the HTTP request has a fileName parameter that accepts any file on the system (e.g., an SSH private key) to be downloaded.

Frequently asked questions

What is CVE-2022-42977?: The Netic User Export add-on before 1.3.5 for Atlassian Confluence has the functionality to generate a list of users in the application, and export it. During export, the HTTP request has a fileName parameter that accepts any file on the system (e.g., an SSH private key) to be downloaded.
How severe is CVE-2022-42977?: CVE-2022-42977 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-2022-42977 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-2022-42977?: CVE-2022-42977 affects Atlassian Confluence Data Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42977?: 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-2022-42977 published?: CVE-2022-42977 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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