Cyber Resilience

CVE-2017-20259

HighPublic PoC

Published: 19 June 2026

Published
19 June 2026
Modified
23 June 2026
KEV Added
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Patch
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CVSS Score v4 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0033 25.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2017-20259 is a high-severity SQL Injection (CWE-89) vulnerability in Joomla OSDownloads (inferred from references). Its CVSS base score is 8.8 (High).

Operationally, ranked at the 25.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Joomla OSDownloads 1.7.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter. Attackers can send GET requests to index.php with option=com_osdownloads&view=item&id=[SQL] to extract sensitive database information including…

more

credentials and configuration data.

CWE(s)
CWE-89

Related Threats

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

Affected Assets

Joomla
OSDownloads
inferred from references and description; NVD did not file a CPE for this CVE

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.

CA-8 Penetration Testing
addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation
addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

References