How severe is CVE-2019-11989?

CVE-2019-11989 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-11989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11989?

CVE-2019-11989 primarily affects Hp Icewall Sso Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-11989?

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

When was CVE-2019-11989 published?

CVE-2019-11989 was published on 2019-07-19 and last updated on 2026-06-17.

CVE-2019-11989

CVE-2019-11989 is a medium-severity vulnerability in Hp Icewall Sso Agent with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 7.1
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Icewall Sso Agent
Published: 2019-07-19
Last modified: 2026-06-17

Description

A security vulnerability in HPE IceWall SSO Agent Option and IceWall MFA (Agent module ) could be exploited remotely to cause a denial of service. The versions and platforms of Agent Option modules that are impacted are as follows: 10.0 for Apache 2.2 on RHEL 5 and 6, 10.0 for Apache 2.4 on RHEL 7, 10.0 for Apache 2.4 on HP-UX 11i v3, 10.0 for IIS on Windows, 11.0 for Apache 2.4 on RHEL 7, MFA Proxy 4.0 (Agent module only) for Apache 2.4 on RHEL 7.

Frequently asked questions

What is CVE-2019-11989?: A security vulnerability in HPE IceWall SSO Agent Option and IceWall MFA (Agent module ) could be exploited remotely to cause a denial of service. The versions and platforms of Agent Option modules that are impacted are as follows: 10.0 for Apache 2.2 on RHEL 5 and 6, 10.0 for Apache 2.4 on RHEL 7, 10.0 for Apache 2.4 on HP-UX 11i v3, 10.0 for IIS on Windows, 11.0 for Apache 2.4 on RHEL 7, MFA Proxy 4.0 (Agent module only) for Apache 2.4 on RHEL 7.
How severe is CVE-2019-11989?: CVE-2019-11989 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-11989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11989?: CVE-2019-11989 primarily affects Hp Icewall Sso Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-11989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-11989 published?: CVE-2019-11989 was published on 2019-07-19 and last updated on 2026-06-17.

References

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbmu03941en_us

Affected products (3)

cpe:2.3:a:hp:icewall_sso_agent:10.0:*:*:*:*:apache:*:*
cpe:2.3:a:hp:icewall_sso_agent:11.0:*:*:*:*:apache:*:*
cpe:2.3:a:hp:mfa_proxy:4.0:*:*:*:*:apache:*:*

More vulnerabilities in Hp Icewall Sso Agent

CVE-2013-4818 — Medium (CVSS 5.0): Unspecified vulnerability in HP IceWall SSO 8.0 through 10.0, IceWall SSO Agent Option 8.0 through 10.0, IceWall SSO…
CVE-2013-4820 — Low (CVSS 2.1): Unspecified vulnerability in HP IceWall SSO 8.0 through 10.0, IceWall SSO Agent Option 8.0 through 10.0, IceWall SSO…

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