How severe is CVE-2020-21658?

CVE-2020-21658 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-21658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21658?

CVE-2020-21658 affects Wdja Wdja Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21658?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-21658 published?

CVE-2020-21658 was published on 2021-10-06 and last updated on 2026-06-17.

CVE-2020-21658

CVE-2020-21658 is a medium-severity vulnerability in Wdja Wdja Cms with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Wdja Wdja Cms
Published: 2021-10-06
Last modified: 2026-06-17

Description

A Cross-Site Request Forgery (CSRF) in WDJA CMS v1.5.2 allows attackers to arbitrarily add administrator accounts via a crafted URL.

Frequently asked questions

What is CVE-2020-21658?: A Cross-Site Request Forgery (CSRF) in WDJA CMS v1.5.2 allows attackers to arbitrarily add administrator accounts via a crafted URL.
How severe is CVE-2020-21658?: CVE-2020-21658 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-21658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21658?: CVE-2020-21658 affects Wdja Wdja Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21658?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21658 published?: CVE-2020-21658 was published on 2021-10-06 and last updated on 2026-06-17.

References

https://github.com/shadoweb/wdja/issues/10

Affected products (1)

cpe:2.3:a:wdja:wdja_cms:1.5.2:*:*:*:*:*:*:*

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