What is CVE-2018-1000509?

CVE-2018-1000509 is a high-severity vulnerability in Redirection, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2018-06-26.

How severe is CVE-2018-1000509?

High severity. CVSS v3 base score is 7.2 out of 10.

Deserialization in Redirection

CVE-2018-1000509

Redirection version 2.7.1 contains a Serialisation vulnerability possibly allowing ACE vulnerability in Settings page AJAX that can result in could allow admin to execute arbitrary code in some circumstances. This attack appear to be exploitable via Attacker must have access to admin account. This vulnerability appears to have been fixed in 2.8.

Vulnerability class: Insecure Deserialization

Published 2018-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Redirection — versions 2.7.1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

advisories.dxw.com/advisories/unserialization-redirection/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000509?: CVE-2018-1000509 is a high-severity vulnerability in Redirection, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2018-06-26.
How severe is CVE-2018-1000509?: High severity. CVSS v3 base score is 7.2 out of 10.