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MitreCVE-2021-31798

HistorySep 02, 2021 - 1:15 a.m.

CVE-2021-31798

2021-09-0201:15:06

CWE-331

mitre

web.nvd.nist.gov

cyberark

credential provider

cache encryption

cve-2021-31798

nvd

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.5

Confidence

High

EPSS

Percentile

15.5%

JSON

The effective key space used to encrypt the cache in CyberArk Credential Provider prior to 12.1 has low entropy, and under certain conditions a local malicious user can obtain the plaintext of cache files.

Affected configurations

Nvd

Node

cyberarkcredential_providerRange<12.1

VendorProductVersionCPE
cyberarkcredential_provider*cpe:2.3:a:cyberark:credential_provider:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cyberark	credential_provider	*	cpe:2.3:a:cyberark:credential_provider::::::::

References

packetstormsecurity.com/files/164035/CyberArk-Credential-Provider-Local-Cache-Decryption.html

seclists.org/fulldisclosure/2021/Sep/3

korelogic.com/Resources/Advisories/KL-001-2021-010.txt

www.cyberark.com/resources/blog

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.5

Confidence

High

EPSS

Percentile

15.5%

JSON

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