How severe is CVE-2021-29749?

CVE-2021-29749 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-29749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29749?

CVE-2021-29749 primarily affects Ibm Secure External Authentication Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-29749 published?

CVE-2021-29749 was published on 2021-07-15 and last updated on 2026-06-17.

CVE-2021-29749

CVE-2021-29749 is a medium-severity vulnerability in Ibm Secure External Authentication Server with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Ibm Secure External Authentication Server
Published: 2021-07-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-29749?: 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.
How severe is CVE-2021-29749?: CVE-2021-29749 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-29749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29749?: CVE-2021-29749 primarily affects Ibm Secure External Authentication Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29749 published?: CVE-2021-29749 was published on 2021-07-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:secure_external_authentication_server:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_secure_proxy:6.0.2:*:*:*:*:*:*:*

More vulnerabilities in Ibm Secure External Authentication Server

CVE-2021-29725 — High (CVSS 7.5): IBM Secure External Authentication Server 2.4.3.2, 6.0.1, 6.0.2 and IBM Secure Proxy 3.4.3.2, 6.0.1, 6.0.2 could allow…
CVE-2021-29726 — Medium (CVSS 5.3): IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not properly ensure that a…

All CVEs affecting Ibm Secure External Authentication Server →

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