Skip to content
Fencer Vulns
critical 9.8

CVE-2018-25016 json

Greenbone Security Assistant (GSA) before 7.0.3 and Greenbone OS (GOS) before 5.0.0 allow Host Header Injection.

published 2021-06-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13797

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

Greenbone Security Assistant (GSA) before 7.0.3 and Greenbone OS (GOS) before 5.0.0 allow Host Header Injection.

Patch / fix

  • greenbone greenbone_security_assistant 7.0.3
  • greenbone greenbone_os 5.0.0

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.