How severe is CVE-2021-45017?

CVE-2021-45017 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-2021-45017 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45017?

CVE-2021-45017 affects Catfish-cms Catfish Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45017?

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-2021-45017 published?

CVE-2021-45017 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-45017

CVE-2021-45017 is a high-severity vulnerability in Catfish-cms Catfish Cms 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)
CVSS v2: 6.8
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Catfish-cms Catfish Cms
Published: 2021-12-15
Last modified: 2026-06-17

Description

Cross Site Request Forgery (CSRF) vulnerability exits in Catfish <=6.1.* when you upload an html file containing CSRF on the website that uses a google editor; you can specify the menu url address as your malicious url address in the Add Menu column.

Frequently asked questions

What is CVE-2021-45017?: Cross Site Request Forgery (CSRF) vulnerability exits in Catfish <=6.1.* when you upload an html file containing CSRF on the website that uses a google editor; you can specify the menu url address as your malicious url address in the Add Menu column.
How severe is CVE-2021-45017?: CVE-2021-45017 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-2021-45017 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45017?: CVE-2021-45017 affects Catfish-cms Catfish Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45017?: 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-2021-45017 published?: CVE-2021-45017 was published on 2021-12-15 and last updated on 2026-06-17.

References

https://github.com/xwlrbh/Catfish/issues/8

Affected products (1)

cpe:2.3:a:catfish-cms:catfish_cms:*:*:*:*:*:*:*:*

More vulnerabilities in Catfish-cms Catfish Cms

CVE-2018-18734 — High (CVSS 8.8): A CSRF issue was discovered in admin/Index/addmanageuser.html in Catfish CMS 4.8.30.
CVE-2021-45018 — Medium (CVSS 6.1): Cross Site Scripting (XSS) vulnerability exists in Catfish <=6.3.0 via a Google search in…
CVE-2020-23962 — Medium (CVSS 6.1): A cross site scripting (XSS) vulnerability in Catfish CMS 4.9.90 allows attackers to execute arbitrary web scripts or…
CVE-2018-18733 — Medium (CVSS 5.4): An XSS issue was discovered in Catfish CMS 4.8.30, related to "write source code," a similar issue to CVE-2018-13999.
CVE-2018-10023 — Medium (CVSS 5.4): Catfish CMS V4.7.21 allows XSS via the pinglun parameter to cat/index/index/pinglun (aka an authenticated comment).
CVE-2018-13999 — Medium (CVSS 4.8): Catfish CMS v4.7.9 allows XSS via the admin/Index/write.html editorValue parameter (aka an article posted by an…

All CVEs affecting Catfish-cms Catfish Cms →

Other CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities

CVE-2025-32642 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in appsbd Vite Coupon vite-coupon allows Remote Code Inclusion.This…
CVE-2025-23922 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in Harsh iSpring Embedder embed-ispring allows Upload a Web Shell to a…
CVE-2017-5145 — Critical (CVSS 10.0): An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware…
CVE-2019-25729 — Critical (CVSS 9.8): PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute…
CVE-2025-48340 — Critical (CVSS 9.8): Cross-Site Request Forgery (CSRF) vulnerability in Danny Vink User Profile Meta Manager user-profile-meta allows…
CVE-2025-2907 — Critical (CVSS 9.8): The Order Delivery Date WordPress plugin before 12.3.1 does not have authorization and CSRF checks when importing…

Browse all CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities →