How severe is CVE-2020-18454?

CVE-2020-18454 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-18454 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-2020-18454?

CVE-2020-18454 affects Bycms Project Bycms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-18454?

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

When was CVE-2020-18454 published?

CVE-2020-18454 was published on 2021-08-12 and last updated on 2026-06-17.

CVE-2020-18454

CVE-2020-18454 is a medium-severity vulnerability in Bycms Project Bycms with a CVSS 3.x base score of 6.8. 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: Medium (CVSS 3.x base score 6.8)
CVSS v2: 6.0
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Bycms Project Bycms
Published: 2021-08-12
Last modified: 2026-06-17

Description

Cross Site Request Forgery (CSRF) vulnerability in bycms v1.3 via admin.php/systems/index/module_id/70/group_id/1.html.

Frequently asked questions

What is CVE-2020-18454?: Cross Site Request Forgery (CSRF) vulnerability in bycms v1.3 via admin.php/systems/index/module_id/70/group_id/1.html.
How severe is CVE-2020-18454?: CVE-2020-18454 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-18454 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-2020-18454?: CVE-2020-18454 affects Bycms Project Bycms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-18454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-18454 published?: CVE-2020-18454 was published on 2021-08-12 and last updated on 2026-06-17.

References

https://github.com/hillerlin/bycms/issues/1

Affected products (1)

cpe:2.3:a:bycms_project:bycms:1.3.0:*:*:*:*:*:*:*

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