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CVE-2019-20504

40
FAUCET Score

CVE-2019-20504 is a critical remote code execution (RCE) vulnerability affecting Quest KACE K1000 Systems Management Appliance versions prior to 6.4 SP3 (6.4.120822). An unauthenticated attacker can exploit this flaw by injecting shell metacharacters into the 'kuid' parameter of the 'service/krashrpt.php' script. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability without user interaction. While not listed in CISA's KEV catalog, a Nuclei template exists for detection, indicating potential exploitability, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.4.120822CPE matchmatch criteria
cpe:2.3:a:quest:kace_systems_management:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
9.55%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2019-20504 · May 20, 2025
This CVE's current EPSS score of 0.0955 is in the 90th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

rcesecurity.com / 2019/04/dell-kace-k1000-remote-code-execution-the-story-of-bug-k1-18652
ExploitThird Party Advisory