Cyber Resilience

CVE-2018-25421

HighPublic PoC

Published: 30 May 2026

Published
30 May 2026
Modified
01 June 2026
KEV Added
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Patch
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CVSS Score v4 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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 25.1th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2018-25421 is a high-severity Path Traversal (CWE-22) vulnerability in Openstamanager (inferred from references). Its CVSS base score is 7.1 (High).

Operationally, ranked at the 25.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Open STA Manager 2.3 contains a path traversal vulnerability that allows authenticated users to download arbitrary files by manipulating the file parameter. Attackers can send GET requests to modules/backup/actions.php with op=getfile and traverse directories using ../ sequences to access sensitive…

more

system files.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

Openstamanager
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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.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References