CVE-2017-1000486
CriticalExploitedPublic exploitInadequate Encryption Strength
Published Jun 3, 2021 · Updated Oct 21, 2025 · Also known as GHSA-j239-4gqg-5j54
Key Facts
Patch immediately- CVE-2017-1000486 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Primefaces (Primetek), org.primefaces:primefaces (maven).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 5, 2021. Public exploit code is available.
- EPSS estimates a 94% probability of exploitation in the next 30 days.
- Fixed versions are available, including org.primefaces:primefaces 6.0, Primefaces <=4.0.24, Primefaces 4.0.24.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
94%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 10, 2022 | Jul 10, 2022 | Not reported |
| Industry KEV feed | Jan 5, 2021 | Jul 10, 2022 | Not reported |
| CIRCL KEV | Jan 10, 2022 | Jul 10, 2022 | Not reported |
| ENISA EUVD | Jan 10, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| PrimefacesPrimetek | See advisory | 4.0.24 |
| org.primefaces:primefacesmaven | >= 5.0 | 6.0 |
Patched Releases
org.primefaces:primefaces
6.0
Primefaces
<=4.0.24
Timeline
Added to Industry KEV feed
Jan 5, 2021
Publicly disclosed
Jun 3, 2021
Added to CISA KEV
Jan 10, 2022
Added to CIRCL KEV
Jan 10, 2022
Added to ENISA EUVD
Jan 10, 2022
Last updated
Oct 21, 2025
Weakness Type
- CWE-326 Inadequate Encryption Strength
References
- advisoryhttps://cryptosense.com/weak-encryption-flaw-in-primefaces/
- advisoryGHSA advisory
- advisoryhttps://github.com/primefaces/primefaces/issues/1152
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2017-1000486
- advisory43733
FAQ
Common Questions.
Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution
Affected: Primefaces (Primetek); org.primefaces:primefaces (maven) versions >= 5.0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 5, 2021.
Yes. It was added on Jan 10, 2022 with a federal remediation due date of Jul 10, 2022.
Public exploit code is available.
Fixed versions are available, including org.primefaces:primefaces 6.0, Primefaces <=4.0.24, Primefaces 4.0.24.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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