CVE-2020-24550: An Open Redirect vulnerability in EpiServer Find before 13.2.7 allows an attacker to redirect users to untrust

Q: How do I fix CVE-2020-24550?

find: upgrade to 13.2.7. Exact commands for each OS are on this page.

Q: Is CVE-2020-24550 being exploited?

CVE-2020-24550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-24550 affect?

CVE-2020-24550 affects find. Severity is medium (CVSS 6.1). 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.

Q: How urgent is CVE-2020-24550?

Priority 49/100. EPSS top 8%: very likely to be exploited; Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2020-24550 is a medium-severity flaw (CVSS 6.1) affecting find. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.7% (top 8%)
CISA exploited list	No
Weakness	CWE-601
Published	2021-03-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: episerver

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-03-31 22:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

episerver find UPGRADE

Affected: < 13.2.7

Fixed in: 13.2.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy find || rpm -q find || find --version

2. UPGRADE to 13.2.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade find

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade find

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: EpiServer Find <13.2.7 - Open Redirect

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-24550?

find: upgrade to 13.2.7. Exact commands for each OS are on this page.

Is CVE-2020-24550 being exploited?

CVE-2020-24550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-24550 affect?

CVE-2020-24550 affects find. Severity is medium (CVSS 6.1). 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.

How urgent is CVE-2020-24550?

Priority 49/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2015-10065 MEDIUM 5.5 UPGRADE A vulnerability classified as critical was found in AenBleidd FiND

References

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