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CVE-2021-29357

26
FAUCET Score

CVE-2021-29357 is a Server-Side Request Forgery (SSRF) vulnerability in the ECT Provider component of OutSystems Platform Server versions 10 and 11, and the LifeTime management console. With a CVSS score of 8.6 (High), this vulnerability allows unauthenticated attackers to make arbitrary outbound HTTP requests from the affected server, potentially leading to information disclosure. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 11, < 11.7.0CPE matchmatch criteria
cpe:2.3:a:outsystems:lifetime_management_console:*:*:*:*:*:*:*:*
>= 10, < 10.0.1104.0CPE matchmatch criteria
cpe:2.3:a:outsystems:outsystems:*:*:*:*:*:*:*:*
>= 11, < 11.9.0CPE matchmatch criteria
cpe:2.3:a:outsystems:platform_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 32nd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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