CVE-2017-1000486

CRITICAL
2018-01-03 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 26, 2026 - 11:18 vuln.today
Added to CISA KEV
Nov 05, 2025 - 19:24 cisa
CISA KEV
PoC Detected
Nov 05, 2025 - 19:24 vuln.today
Public exploit code
CVE Published
Jan 03, 2018 - 20:29 nvd
CRITICAL 9.8

Description

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

Analysis

Primetek PrimeFaces 5.x uses weak encryption for ViewState parameters, allowing unauthenticated remote code execution through crafted serialized Java objects sent via the ViewState mechanism.

Technical Context

The CWE-326 weak encryption flaw means PrimeFaces uses a static or easily derivable encryption key to protect serialized ViewState data. Attackers can brute-force or derive the key, decrypt the ViewState, inject a malicious Java deserialization payload (e.g., Commons Collections gadget chain), re-encrypt it, and send it to the server.

Affected Products

['Primetek PrimeFaces 5.x']

Remediation

Upgrade PrimeFaces to 5.2.21+, 5.3.8+, or 6.0+. Configure a strong, random encryption key. Implement Java serialization filters to restrict deserializable classes.

Priority Score

79
Low Medium High Critical
KEV: +50
EPSS: +93.7
CVSS: +49
POC: +20

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CVE-2017-1000486 vulnerability details – vuln.today
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