How severe is CVE-2020-23691?

CVE-2020-23691 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-2020-23691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23691?

CVE-2020-23691 affects Yfcmf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23691?

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-2020-23691 published?

CVE-2020-23691 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2020-23691

CVE-2020-23691 is a critical-severity vulnerability in Yfcmf with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yfcmf
Published: 2021-05-14
Last modified: 2026-06-17

Description

YFCMF v2.3.1 has a Remote Command Execution (RCE) vulnerability in the index.php.

Frequently asked questions

What is CVE-2020-23691?: YFCMF v2.3.1 has a Remote Command Execution (RCE) vulnerability in the index.php.
How severe is CVE-2020-23691?: CVE-2020-23691 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-2020-23691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23691?: CVE-2020-23691 affects Yfcmf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23691?: 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-2020-23691 published?: CVE-2020-23691 was published on 2021-05-14 and last updated on 2026-06-17.

References

https://github.com/lxw1844912514/YFCMF/issues/1

Affected products (1)

cpe:2.3:a:yfcmf:yfcmf:2.3.1:*:*:*:*:*:*:*

More vulnerabilities in Yfcmf

CVE-2018-16431 — High (CVSS 8.8): admin/admin/adminsave.html in YFCMF v3.0 allows CSRF to add an administrator account.
CVE-2020-23689 — Medium (CVSS 4.8): In YFCMF v2.3.1, there is a stored XSS vulnerability in the comments section of the news page.

All CVEs affecting Yfcmf →