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Fencer Intel
critical 9.8

CVE-2018-16836 in the critical feed json

Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and ex…

published 8y ago modified 4mo ago also EUVD-2018-8633

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
61.4%
EPSS 61.4% chance of exploitation in 30 days, percentile 99.1%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.

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Timeline

  1. Published
  2. First public exploit (EDB-45385)

Exploit prediction

61.44% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45385 Rubedo CMS 3.4.0 - Directory Traversal webapps, 2018-09-12
  • Nuclei template Rubedo CMS <=3.4.0 - Directory Traversal nuclei detection template
  • github.com https://github.com/maroueneboubakri/CVE/tree/master/rubedo-cms referenced PoC, tagged "exploit" by a source, unverified

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-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel 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.