CVE-2023-42818
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
43.5%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| jumpserver | jumpserver | * | cpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:* |
| jumpserver | jumpserver | * | cpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:* |
CNA Affected
[
{
"vendor": "jumpserver",
"product": "jumpserver",
"versions": [
{
"version": ">= 3.6.0, < 3.6.5",
"status": "affected"
},
{
"version": "< 3.5.6",
"status": "affected"
}
]
}
]Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
43.5%