How severe is CVE-2019-18906?

CVE-2019-18906 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-18906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18906?

CVE-2019-18906 affects Opensuse Cryptctl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18906?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-18906 published?

CVE-2019-18906 was published on 2021-06-30 and last updated on 2026-06-17.

CVE-2019-18906

CVE-2019-18906 is a critical-severity vulnerability in Opensuse Cryptctl with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Opensuse Cryptctl
Published: 2021-06-30
Last modified: 2026-06-17

Description

A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with access to the hashed password to use it without having to crack it. This issue affects: SUSE Linux Enterprise Server for SAP 12-SP5 cryptctl versions prior to 2.4. SUSE Manager Server 4.0 cryptctl versions prior to 2.4.

Frequently asked questions

What is CVE-2019-18906?: A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with access to the hashed password to use it without having to crack it. This issue affects: SUSE Linux Enterprise Server for SAP 12-SP5 cryptctl versions prior to 2.4. SUSE Manager Server 4.0 cryptctl versions prior to 2.4.
How severe is CVE-2019-18906?: CVE-2019-18906 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-18906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18906?: CVE-2019-18906 affects Opensuse Cryptctl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18906?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-18906 published?: CVE-2019-18906 was published on 2021-06-30 and last updated on 2026-06-17.

References

https://bugzilla.suse.com/show_bug.cgi?id=1186226

Affected products (1)

cpe:2.3:a:opensuse:cryptctl:*:*:*:*:*:*:*:*

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