What is CVE-2021-29357?

CVE-2021-29357 is a high-severity vulnerability in Outsystems Lifetime Management Console, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2021-04-12.

How severe is CVE-2021-29357?

High severity. CVSS v3 base score is 8.6 out of 10.

SSRF in Outsystems Lifetime Management Console

CVE-2021-29357

The ECT Provider component in OutSystems Platform Server 10 before 10.0.1104.0 and 11 before 11.9.0 (and LifeTime management console before 11.7.0) allows SSRF for arbitrary outbound HTTP requests.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2021-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (59.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

success.outsystems.com/Support/Security/Vulnerabilities/Vulnerability_RTAF-2226 (Vendor Advisory)
labs.integrity.pt/advisories/cve-2021-29357/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-29357?: CVE-2021-29357 is a high-severity vulnerability in Outsystems Lifetime Management Console, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2021-04-12.
How severe is CVE-2021-29357?: High severity. CVSS v3 base score is 8.6 out of 10.