CVE•Published 2026-04-03•Modified 2026-04-07•1 article on news•6 live references•NVD data
CVE-2018-25236
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Hirschmann HiOS and HiSecOS products RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by crafting specially formed HTTP requests. Attackers can exploit improper authentication handling to obtain the authentication status and privileges of a previously authenticated user without providing valid credentials.
Timeline
Published 2026-04-03
Modified 2026-04-07
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2018-25236Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2018-25236Censys host search filtered to this CVE id.
grep.app
CVE-2018-25236Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2018-25236GitHub code search for direct mentions.
Google dork
"CVE-2018-25236" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.