CVE-2023-42818

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Source
https://cve.org/CVERecord?id=CVE-2023-42818
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-42818.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-42818
Aliases
Downstream
Related
Published
2023-09-27T20:28:30.507Z
Modified
2026-04-10T05:02:16.744464Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L CVSS Calculator
Summary
SSH public key login without private key challenge if mfa is enabled in jumpserver
Details

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42818.json"
}
References

Affected packages

Git / github.com/jumpserver/jumpserver

Affected ranges

Type
GIT
Repo
https://github.com/jumpserver/jumpserver
Events
Introduced
cb11cb17742377ea9baba8d9d4301306b9de7f51
Fixed
811d64be69c242719be21275f29558cb12671e77
Database specific 
{
    "versions": [
        {
            "introduced": "3.6.0"
        },
        {
            "fixed": "3.6.5"
        }
    ]
}
Type
GIT
Repo
https://github.com/jumpserver/jumpserver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1b157a107e15dc4eb5bca689f90a98333429c1ae
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.5.6"
        }
    ]
}

Affected versions

1.*
1.0.0
1.1.0
1.1.1
1.2.0
1.2.1
1.3.0
1.3.1
1.3.2
1.3.3
1.4.0
1.4.1
1.4.10
1.4.2
1.4.3
1.4.4
1.4.5
1.4.6
1.4.7
1.4.8
1.4.9
1.5.0
1.5.1
1.5.2
1.5.3
1.5.4
1.5.5
1.5.6
1.5.7
1.5.8
1.5.9
v1.*
v1.4.10
v1.4.4
v1.4.7
v2.*
v2.1.0
v2.10.0
v2.11.0
v2.12.0
v2.13.0
v2.15.0
v2.15.1
v2.17.0
v2.18.0
v2.18.1
v2.19.0
v2.2.0
v2.2.1
v2.20.0
v2.21.0
v2.22.0
v2.23.0
v2.24.0
v2.25.0
v2.26.0
v2.27.0
v2.3.0
v2.3.1
v2.4.0
v2.5.0
v2.6.0
v2.7.0
v2.8.0
v2.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-42818.json"