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…

PriorityP338medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EXPLOIT

EPSS

4.74%

90.7th percentile

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
episerver	find	< 13.2.7	13.2.7

Detection & IOCsextracted from sources · hover to see the quote

url/find_v2/_click?_t_id=&_t_q=&_t_hit.id=&_t_redirect=https://interact.sh↗

path/find_v2/_click↗

→Look for HTTP GET requests to /find_v2/_click containing the _t_redirect parameter with an external/untrusted URL value. ↗
→Detect exploitation by matching HTTP 301 responses with a Location header pointing to an external domain originating from requests to /find_v2/_click. ↗

·The vulnerability is only present in EpiServer Find versions before 13.2.7. Detection rules should be scoped to installations running affected versions. ↗

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

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