How severe is CVE-2019-20504?

CVE-2019-20504 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-2019-20504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20504?

CVE-2019-20504 affects Quest Kace Systems Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20504?

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-2019-20504 published?

CVE-2019-20504 was published on 2020-03-09 and last updated on 2026-06-17.

CVE-2019-20504

CVE-2019-20504 is a critical-severity vulnerability in Quest Kace Systems Management 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Quest Kace Systems Management
Published: 2020-03-09
Last modified: 2026-06-17

Description

service/krashrpt.php in Quest KACE K1000 Systems Management Appliance before 6.4 SP3 (6.4.120822) allows a remote attacker to execute code via shell metacharacters in the kuid parameter.

Frequently asked questions

What is CVE-2019-20504?: service/krashrpt.php in Quest KACE K1000 Systems Management Appliance before 6.4 SP3 (6.4.120822) allows a remote attacker to execute code via shell metacharacters in the kuid parameter.
How severe is CVE-2019-20504?: CVE-2019-20504 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-2019-20504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20504?: CVE-2019-20504 affects Quest Kace Systems Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20504?: 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-2019-20504 published?: CVE-2019-20504 was published on 2020-03-09 and last updated on 2026-06-17.

References

https://www.rcesecurity.com/2019/04/dell-kace-k1000-remote-code-execution-the-story-of-bug-k1-18652/

Affected products (1)

cpe:2.3:a:quest:kace_systems_management:*:*:*:*:*:*:*:*

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