How severe is CVE-2022-22333?

CVE-2022-22333 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-22333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22333?

CVE-2022-22333 primarily affects Ibm Sterling External Authentication Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22333?

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

When was CVE-2022-22333 published?

CVE-2022-22333 was published on 2022-02-23 and last updated on 2026-06-17.

CVE-2022-22333

CVE-2022-22333 is a medium-severity vulnerability in Ibm Sterling External Authentication Server with a CVSS 3.x base score of 6.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ibm Sterling External Authentication Server
Published: 2022-02-23
Last modified: 2026-06-17

Description

IBM Sterling Secure Proxy 6.0.3.0, 6.0.2.0, and 3.4.3.2 and IBM Sterling External Authentication Server are vulnerable a buffer overflow, due to the Jetty based GUI in the Secure Zone not properly validating the sizes of the form content and/or HTTP headers submitted. A local attacker positioned inside the Secure Zone could submit a specially crafted HTTP request to disrupt service. IBM X-Force ID: 219133.

Frequently asked questions

What is CVE-2022-22333?: IBM Sterling Secure Proxy 6.0.3.0, 6.0.2.0, and 3.4.3.2 and IBM Sterling External Authentication Server are vulnerable a buffer overflow, due to the Jetty based GUI in the Secure Zone not properly validating the sizes of the form content and/or HTTP headers submitted. A local attacker positioned inside the Secure Zone could submit a specially crafted HTTP request to disrupt service. IBM X-Force ID: 219133.
How severe is CVE-2022-22333?: CVE-2022-22333 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-22333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22333?: CVE-2022-22333 primarily affects Ibm Sterling External Authentication Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-22333 published?: CVE-2022-22333 was published on 2022-02-23 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:ibm:sterling_external_authentication_server:3.4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_secure_proxy:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_secure_proxy:6.0.3.0:*:*:*:*:*:*:*

More vulnerabilities in Ibm Sterling External Authentication Server

CVE-2020-4462 — High (CVSS 8.2): IBM Sterling External Authentication Server 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2 and IBM Sterling Secure Proxy 6.0.1,…
CVE-2013-0517 — High (CVSS 7.8): A Command Execution Vulnerability exists in IBM Sterling External Authentication Server 2.2.0, 2.3.01, 2.4.0, and 2.4.1…
CVE-2022-22336 — High (CVSS 7.5): IBM Sterling External Authentication Server and IBM Sterling Secure Proxy 6.0.3.0, 6.0.2.0, and 3.4.3.2 could allow a…
CVE-2021-29723 — High (CVSS 7.5): IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that…
CVE-2021-29722 — High (CVSS 7.5): IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that…
CVE-2023-29261 — Medium (CVSS 5.1): IBM Sterling Secure Proxy 6.0.3 and 6.1.0 could allow a local user with specific information about the system to obtain…

All CVEs affecting Ibm Sterling External Authentication Server →

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