Cyber Resilience

CVE-2019-19030

MediumPublic PoC

Published: 26 December 2022

Published
26 December 2022
Modified
14 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.2028 95.7th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2019-19030 is a medium-severity Observable Response Discrepancy (CWE-204) vulnerability in Linuxfoundation Harbor. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 4.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Cloud Native Computing Foundation Harbor before 1.10.3 and 2.x before 2.0.1 allows resource enumeration because unauthenticated API calls reveal (via the HTTP status code) whether a resource exists.

CWE(s)
NVD-CWE-noinfoCWE-204

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

linuxfoundation
harbor
≤ 1.10.3 · 2.0.0 — 2.0.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-30 Concealment and Misdirection
addresses: CWE-204

Fake or randomized responses remove distinguishable success/failure signals attackers rely on.

SI-11 Error Handling
addresses: CWE-204

Eliminates distinguishable response discrepancies in error conditions that could be exploited for reconnaissance.

References