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Fencer Vulns
critical 9.8

CVE-2017-18001 in the critical feed json

Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authoriz…

published 2017-12-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9143

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.1%
EPSS 14.1% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access, via the publicKey parameter to the /sendKey URI.

Timeline

  1. First public exploit (EDB-44047)
  2. Published

Exploit prediction

14.08% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44047 Trustwave SWG 11.8.0.27 - SSH Unauthorized Access remote, 2017-12-26
  • seclists.org http://seclists.org/fulldisclosure/2017/Dec/88 referenced PoC, tagged "exploit" by a source, unverified
  • blogs.securiteam.com https://blogs.securiteam.com/index.php/archives/3550 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

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.