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CVE-2023-43651

31
FAUCET Score

CVE-2023-43651 is a critical remote code execution vulnerability affecting JumpServer, an open-source bastion host. An authenticated attacker can exploit a flaw in MongoDB sessions via the WEB CLI interface to execute arbitrary commands, potentially gaining root privileges. With a CVSS score of 9.9, this vulnerability is easily exploitable over the network with low privileges and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there are no known public exploits or active exploitation, the vulnerability has garnered significant community discussion, indicating potential interest from threat actors. Users are urged to upgrade to JumpServer versions 2.28.20 or 3.7.1 immediately.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.28.20CPE matchmatch criteria
cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.7.1CPE matchmatch criteria
cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.5HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 80th percentile among its peer group of 1,128 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/jumpserver/kokoFixed in: 2.28.20
gopatch availablevia ghsa
Product: github.com/jumpserver/kokoFixed in: 3.7.1
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-4r5x-x283-wm96medium

Jumpserver Koko vulnerable to remote code execution on the host system via MongoDB shell

Oct 24, 2023

References

github.com / jumpserver/jumpserver/security/advisories/GHSA-4r5x-x283-wm96
ExploitVendor Advisory
sonarsource.com / blog/diving-into-jumpserver-attackers-gateway-to-internal-networks-2-2