What is CVE-2020-24550?

CVE-2020-24550 is a medium-severity vulnerability in Episerver Find, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-03-31.

How severe is CVE-2020-24550?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-24550 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Episerver Find

CVE-2020-24550

An Open Redirect vulnerability in EpiServer Find before 13.2.7 allows an attacker to redirect users to untrusted websites via the _t_redirect parameter in a crafted URL, such as a /find_v2/_click URL.

Vulnerability class: Open Redirect

Published 2021-03-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.047 (91.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

Episerver Find

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

labs.nettitude.com/blog/cve-2020-24550-open-redirect-in-episerver-find/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24550?: CVE-2020-24550 is a medium-severity vulnerability in Episerver Find, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-03-31.
How severe is CVE-2020-24550?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-24550 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.