How severe is CVE-2022-34531?

CVE-2022-34531 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2022-34531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34531?

CVE-2022-34531 affects Dedecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34531?

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-2022-34531 published?

CVE-2022-34531 was published on 2022-07-29 and last updated on 2026-06-17.

CVE-2022-34531

CVE-2022-34531 is a critical-severity vulnerability in Dedecms with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 23% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dedecms
Published: 2022-07-29
Last modified: 2026-06-17

Description

DedeCMS v5.7.95 was discovered to contain a remote code execution (RCE) vulnerability via the component mytag_ main.php.

Frequently asked questions

What is CVE-2022-34531?: DedeCMS v5.7.95 was discovered to contain a remote code execution (RCE) vulnerability via the component mytag_ main.php.
How severe is CVE-2022-34531?: CVE-2022-34531 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2022-34531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34531?: CVE-2022-34531 affects Dedecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34531?: 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-2022-34531 published?: CVE-2022-34531 was published on 2022-07-29 and last updated on 2026-06-17.

References

https://github.com/Airrudder/vuls/blob/main/dedecms/DedeCMS-v5.7.95-RCE.md

Affected products (1)

cpe:2.3:a:dedecms:dedecms:5.7.95:*:*:*:*:*:*:*

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