CVE-2023-39966

criticalpriority · track · 39OT risk · elevatedEPSS 0.008 · 57 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.83% (57th) EPSS
CVSS 9.8 · critical
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, an arbitrary file write vulnerability could lead to direct control of the server. In the `api/v1/file.go` file, there is a function called `SaveContentthat,It `recieves JSON data sent by users in the form of a POST request. And the lack of parameter filtering allows for arbitrary file write operations. Version 1.5.0 contains a patch for this issue.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (3)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • GHSA-hf7j-xj3w-87g41Panel arbitrary file write vulnerability2023-08-10ghsa · osvUS

    # Summary An arbitrary file write vulnerability could lead to direct control of the server # Details ## Arbitrary file creation In the api/v1/file.go file, there is a function called SaveContentthat,It recieves JSON data sent by users in the form of a POST request. And the lack of parameter filtering allows for arbitrary file write operations.It looks like this: - Vulnerable Code ![微信图片_20230801092544](https://user-images.githubusercontent.com/136411443/257381095-4d7c014b-b699-4152-8b9d-2cc9399dfd85.png) # PoC - We can write the SSH public key into the /etc/.root/authorized_keys configuration file on the server. ![微信图片_20230801093243](https://user-images.githubusercontent.com/136411443/257381907-38784fab-77b9-47b9-a598-44ef7ad0b65c.png) - The server was successfully written to the public key ![微信图片_20230801093610](https://user-images.githubusercontent.com/136411443/257382468-b4836eee-f751-4b43-93ff-cb39fdc6c809.png) - Successfully connected to the target server using an SSH private key. ![微信图片_20230801093933](https://user-images.githubusercontent.com/136411443/257383031-53f1e5de-2743-48ed-a1cf-9a5ea0c0f90b.png) ![微信图片_20230801094037](https://user-images.githubusercontent.com/136411443/257383041-d9f64647-95d9-4711-8b9f-e152966537c9.png) As a result, the server is directly controlled, causing serious **harm** # Impact 1Panel v1.4.3

  • GO-2023-20061Panel arbitrary file write vulnerability in github.com/1Panel-dev/1Panel2024-08-21vendor · osvUS

    1Panel arbitrary file write vulnerability in github.com/1Panel-dev/1Panel

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2023-08-10modified 2026-06-17
08

references (7)

External citations — patches, advisories, analysis.

scry

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