How severe is CVE-2022-43340?

CVE-2022-43340 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-43340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43340?

CVE-2022-43340 affects Dzzoffice. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43340?

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-2022-43340 published?

CVE-2022-43340 was published on 2022-10-27 and last updated on 2026-07-05.

CVE-2022-43340

CVE-2022-43340 is a high-severity vulnerability in Dzzoffice with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Dzzoffice
Published: 2022-10-27
Last modified: 2026-07-05

Description

A Cross-Site Request Forgery (CSRF) in dzzoffice 2.02.1_SC_UTF8 allows attackers to arbitrarily create user accounts and grant Administrator rights to regular users.

Frequently asked questions

What is CVE-2022-43340?: A Cross-Site Request Forgery (CSRF) in dzzoffice 2.02.1_SC_UTF8 allows attackers to arbitrarily create user accounts and grant Administrator rights to regular users.
How severe is CVE-2022-43340?: CVE-2022-43340 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-43340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43340?: CVE-2022-43340 affects Dzzoffice. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43340?: 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-2022-43340 published?: CVE-2022-43340 was published on 2022-10-27 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:dzzoffice:dzzoffice:2.02.1:*:*:*:*:*:*:*

More vulnerabilities in Dzzoffice

CVE-2025-63695 — Critical (CVSS 9.8): DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.
CVE-2025-63694 — Critical (CVSS 9.8): DzzOffice v2.3.7 and before is vulnerable to SQL Injection in explorer/groupmanage.
CVE-2024-41376 — High (CVSS 8.8): dzzoffice 2.02.1 is vulnerable to Directory Traversal via user/space/about.php.
CVE-2023-39853 — Medium (CVSS 6.5): SQL Injection vulnerability in Dzzoffice version 2.01, allows remote attackers to obtain sensitive information via the…
CVE-2024-29273 — Medium (CVSS 6.1): There is Stored Cross-Site Scripting (XSS) in dzzoffice 2.02.1 SC UTF8 in uploadfile to index.php, with the XSS payload…
CVE-2021-30203 — Medium (CVSS 6.1): A reflected cross-site scripting (XSS) vulnerability in the zero parameter of dzzoffice 2.02.1_SC_UTF8 allows attackers…

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