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MitreCVE-2021-42559

HistoryJan 12, 2022 - 8:15 p.m.

CVE-2021-42559

2022-01-1220:15:08

CWE-77

mitre

web.nvd.nist.gov

caldera

cve-2021-42559

security vulnerability

arbitrary command execution

nvd

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

30.5%

JSON

An issue was discovered in CALDERA 2.8.1. It contains multiple startup “requirements” that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.

Affected configurations

Nvd

Node

mitrecalderaRange≤2.8.1

VendorProductVersionCPE
mitrecaldera*cpe:2.3:a:mitre:caldera:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mitre	caldera	*	cpe:2.3:a:mitre:caldera::::::::

References

github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42559-Command%20Injection%20Via%20Configurations-MITRE%20Caldera

github.com/mitre/caldera/releases

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

30.5%

JSON

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