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cve[email protected]CVE-2023-28110
HistoryMar 16, 2023 - 5:15 p.m.

CVE-2023-28110

2023-03-1617:15:09
CWE-77
web.nvd.nist.gov
23
jumpserver
koko
cve-2023-28110
bastion host
security vulnerability
ssh
sftp
kubernetes
container security
nvd

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.3%

Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco’s SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.

Affected configurations

Vulners
NVD
Node
jumpserverjumpserverRange<2.28.8
VendorProductVersionCPE
jumpserverjumpserver*cpe:2.3:a:jumpserver:jumpserver:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "vendor": "jumpserver",
    "product": "jumpserver",
    "versions": [
      {
        "version": "< 2.28.8",
        "status": "affected"
      }
    ]
  }
]

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.3%

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