CVE-2023-42442

mediumpriority · attend · 53EPSS 0.630 · 99 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · PoC

Likely / severe?

63.0% (99th) EPSS

CVSS 5.3 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

JumpServer is an open source bastion host and a professional operation and maintenance security audit system. Starting in version 3.0.0 and prior to versions 3.5.5 and 3.6.4, session replays can download without authentication. Session replays stored in S3, OSS, or other cloud storage are not affected. The api `/api/v1/terminal/sessions/` permission control is broken and can be accessed anonymously. SessionViewSet permission classes set to `[RBACPermission | IsSessionAssignee]`, relation is or, so any permission matched will be allowed. Versions 3.5.5 and 3.6.4 have a fix. After upgrading, visit the api `$HOST/api/v1/terminal/sessions/?limit=1`. The expected http response code is 401 (`not_authenticated`).

cvss

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

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–8.2

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.18.2highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · security-advisories@github.comexploitability 3.9 · impact 4.2

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

exploits (3)

Public proof-of-concept and weaponised exploit code.

C1ph3rX13/CVE-2023-42442CVE-2023-42442 JumpServer Session 录像任意下载漏洞PoC · poc_in_github
HolyGu/CVE-2023-42442HolyGu/CVE-2023-42442PoC · poc_in_github
tarihub/blackjumpJumpServer 堡垒机未授权综合漏洞利用, Exploit for CVE-2023-42442 / CVE-2023-42820 / RCE 2021PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

jumpserver jumpserver3.0.0, → 3.5.5enisa_euvdEU
jumpserver jumpserver3.6.0, → 3.6.4enisa_euvdEU
Hangzhou Feizhiyun Information Technology Co., Ltd. JumpServer3.0.0 → 3.5.5fstec_bduRU
Hangzhou Feizhiyun Information Technology Co., Ltd. JumpServer3.6.0 → 3.6.4fstec_bduRU
fit2cloud jumpserver3.0.0 → 3.5.5nvdUScpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
fit2cloud jumpserver3.6.0 → 3.6.4nvdUScpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-09-15modified 2026-06-17

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+7709 more

references (11)

External citations — patches, advisories, analysis.

scry

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