Is CVE-2021-29357 in the CISA KEV catalog?

No. CVE-2021-29357 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-29357?

CVE-2021-29357 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2021-29357?

CVE-2021-29357 has an EPSS score of 0.95% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-29357?

Upgrade lifetime management console to 11.7.0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-29357

HIGH

8.6

CVSS v3

NVD

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.

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

lifetime management consoleNVD

Affected:>= 11, < 11.7.0Fixed in:11.7.0CVE-2021-29357derived from NVD

outsystemsNVD

Affected:>= 10, < 10.0.1104.0Fixed in:10.0.1104.0CVE-2021-29357derived from NVD

platform serverNVD

Affected:>= 11, < 11.9.0Fixed in:11.9.0CVE-2021-29357derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Exploit Intelligence

0.95%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

success.outsystems.com

Third-Party Advisory1

labs.integrity.pt

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.