CVE-2021-29749

Name: CVE-2021-29749
Creator: NVD / NIST
Published: 2021-07-15T16:15:09.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2021-29749 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Secure External Authentication Server 6.0.2 and IBM Secure Proxy 6.0.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

IBM Secure External Authentication Server 6.0.2 and IBM Secure Proxy 6.0.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-Force ID: 201777.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.83%

53.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Ibm	Secure External Authentication Server	6.0.2
Ibm	Sterling Secure Proxy	6.0.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/201777VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6471621Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6471623Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/201777VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6471621Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6471623Patch, Vendor Advisory

Timeline

Published: Jul 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29749?

How severe is CVE-2021-29749?

CVE-2021-29749 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29749?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29749?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST