How severe is CVE-2021-29357?

CVE-2021-29357 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-29357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29357?

CVE-2021-29357 primarily affects Outsystems Lifetime Management Console. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29357 published?

CVE-2021-29357 was published on 2021-04-12 and last updated on 2026-06-17.

CVE-2021-29357

CVE-2021-29357 is a high-severity vulnerability in Outsystems Lifetime Management Console with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Outsystems Lifetime Management Console
Published: 2021-04-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-29357?: CVE-2021-29357 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-29357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29357?: CVE-2021-29357 primarily affects Outsystems Lifetime Management Console. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29357 published?: CVE-2021-29357 was published on 2021-04-12 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:outsystems:lifetime_management_console:*:*:*:*:*:*:*:*
cpe:2.3:a:outsystems:outsystems:*:*:*:*:*:*:*:*
cpe:2.3:a:outsystems:platform_server:*:*:*:*:*:*:*:*

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