What is CVE-2020-12699?

CVE-2020-12699 is a medium-severity vulnerability in Dkd Direct Mail, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-05-13.

How severe is CVE-2020-12699?

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

Open Redirect in Dkd Direct Mail

CVE-2020-12699

The direct_mail extension through 5.2.3 for TYPO3 has an Open Redirect via jumpUrl.

Vulnerability class: Open Redirect

Published 2020-05-13 · 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: 0.008 (54.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Dkd Direct Mail

Weakness classification (CWE)

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

References

typo3.org/help/security-advisories (Vendor Advisory)
typo3.org/security/advisory/typo3-ext-sa-2020-005 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12699?: CVE-2020-12699 is a medium-severity vulnerability in Dkd Direct Mail, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-05-13.
How severe is CVE-2020-12699?: Medium severity. CVSS v3 base score is 6.1 out of 10.