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Fencer Vulns
critical 9.8

CVE-2017-1000486 kev in the critical feed json

Inadequate Encryption Strength

published 2018-01-03 8 y ago modified 2026-06-17 4 mo ago also GHSA-j239-4gqg-5j54 , EUVD-2021-1339

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2022-01-10
epss
94.1%
EPSS 94.1% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution

Patch / fix

cisa required action Apply updates per vendor instructions.

  • maven org.primefaces:primefaces 6.0
  • primetek primefaces 5.2.21, 5.3.8

Timeline

  1. First public exploit (Metasploit exploit/multi/http/primefaces_weak_encryption_rce)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-07-10 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Primetek, Primefaces Application
CISA name
Primetek Primefaces Remote Code Execution Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

94.10% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 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
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.primefaces:primefaces
>=5.0, <6.0
6.0

Classification

Weakness
  • CWE-326 Inadequate Encryption Strength

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.