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MEDIUM severity

CVE-2020-12697 — direct-mail

MEDIUM

CVE-2020-12697 is a medium-severity (CVSS 5.3) CWE-770 vulnerability in directmailteam/direct-mail. A fix is available for directmailteam/direct-mail — see the affected versions and patch details below.

Denial of service in direct_mail

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs70th percentile — riskier than 70% of all scored CVEsHighest risk
0.00%0.60%1.21%1.81%0.3%1.3%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2020-12697 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐘directmailteam/direct-mail

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

The direct_mail extension through 5.2.3 for TYPO3 allows Denial of Service via log entries.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistdirectmailteam/direct-mailall versions5.2.4composer require directmailteam/direct-mail:^5.2.4

Affected Products

1 product · 1 configurations
Application
direct maildkd
≤ 5.2.3
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for directmailteam/direct-mail, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update directmailteam/direct-mail to 5.2.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-12697 is resolved across your whole dependency graph.

  3. Workarounds

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Frequently Asked Questions

The direct_mail extension through 5.2.3 for TYPO3 allows Denial of Service via log entries.
O3 Security · Impact-Aware SCA

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CVE-2020-12697: direct-mail DoS — Fixed in 5.2.4