CVE-2023-27584
CriticalPublic exploitDragonfly2 has hard coded cyptographic key
Published Sep 19, 2024 · Updated Aug 12, 2026 · Also known as GHSA-hpc8-7wpm-889w, GO-2024-3136
Key Facts
Patch immediately- CVE-2023-27584 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Dragonfly (Linuxfoundation), d7y.io/dragonfly/v2 (go), Dragonfly2.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- Fixed versions are available, including d7y.io/dragonfly/v2 2.0.9-rc.2, d7y.io/dragonfly/v2 2.1.0-beta.1, Dragonfly 2.0.9.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
CVSS v4
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-27584 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Dragonfly is an open source P2P-based file distribution and image acceleration system. It is hosted by the Cloud Native Computing Foundation (CNCF) as an Incubating Level Project. Dragonfly uses JWT to verify user. However, the secret key for JWT, "Secret Key", is hard coded, which leads to authentication bypass. An attacker can perform any action as a user with admin privileges. This issue has been addressed in release version 2.0.9. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| DragonflyLinuxfoundation | See advisory | 2.0.9 |
| d7y.io/dragonfly/v2go | >= 2.1.0-alpha.0 | 2.1.0-beta.1 |
| Dragonfly2 | >= < 2.0.9 | n/a |
Patched Releases
d7y.io/dragonfly/v2
2.0.9-rc.2, 2.1.0-beta.1
Dragonfly
2.0.9
Timeline
Publicly disclosed
Sep 19, 2024
Last updated
Aug 12, 2026
Weakness Type
- CWE-321 Use of Hard-coded Cryptographic Key
- CWE-798 Use of Hard-coded Credentials
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27584.json
- advisoryhttps://github.com/dragonflyoss/Dragonfly2/security/advisories/GHSA-hpc8-7wpm-889w
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-27584
- articlehttps://github.com/dragonflyoss/Dragonfly2/commit/e9da69dc4048bf2a18a671be94616d85e3429433
FAQ
Common Questions.
Dragonfly is an open source P2P-based file distribution and image acceleration system.
Affected: Dragonfly (Linuxfoundation); d7y.io/dragonfly/v2 (go) versions >= 2.1.0-alpha.0; Dragonfly2 versions >= < 2.0.9. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including d7y.io/dragonfly/v2 2.0.9-rc.2, d7y.io/dragonfly/v2 2.1.0-beta.1, Dragonfly 2.0.9.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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