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cveMitreCVE-2020-26155
HistoryMar 18, 2021 - 5:15 p.m.

CVE-2020-26155

2021-03-1817:15:13
CWE-732
CWE-427
mitre
web.nvd.nist.gov
27
6
utimaco
securityserver
weak permissions
dll hijacking
cve-2020-26155
nvd

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

45.2%

JSON

Multiple files and folders in Utimaco SecurityServer 4.20.0.4 and 4.31.1.0. are installed with Read/Write permissions for authenticated users, which allows for binaries to be manipulated by non-administrator users. Additionally, entries are made to the PATH environment variable which, in conjunction with these weak permissions, could enable an attacker to perform a DLL hijacking attack.

Affected configurations

Nvd
Node
utimacoblock-safe_firmwareMatch2.0.0
OR
utimacoblock-safe_firmwareMatch3.0.0
OR
utimacocryptoserver_cp5_firmwareMatch5.0.0.0
OR
utimacocryptoserver_cp5_firmwareMatch5.1.0.0
OR
utimacocryptoserver_cp5_vs-nfd_firmwareMatch5.1.0.0
OR
utimacopaymentserver_firmwareRange3.0–4.31.0
OR
utimacopaymentserver_hybrid_firmwareRange3.0–4.33.0
OR
utimacosecurityserver_firmwareRange3.0–4.31.1
AND
microsoftwindowsMatch-
VendorProductVersionCPE
utimacoblock-safe_firmware2.0.0cpe:2.3:o:utimaco:block-safe_firmware:2.0.0:*:*:*:*:*:*:*
utimacoblock-safe_firmware3.0.0cpe:2.3:o:utimaco:block-safe_firmware:3.0.0:*:*:*:*:*:*:*
utimacocryptoserver_cp5_firmware5.0.0.0cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.0.0.0:*:*:*:*:*:*:*
utimacocryptoserver_cp5_firmware5.1.0.0cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.1.0.0:*:*:*:*:*:*:*
utimacocryptoserver_cp5_vs-nfd_firmware5.1.0.0cpe:2.3:o:utimaco:cryptoserver_cp5_vs-nfd_firmware:5.1.0.0:*:*:*:*:*:*:*
utimacopaymentserver_firmware*cpe:2.3:o:utimaco:paymentserver_firmware:*:*:*:*:*:*:*:*
utimacopaymentserver_hybrid_firmware*cpe:2.3:o:utimaco:paymentserver_hybrid_firmware:*:*:*:*:*:*:*:*
utimacosecurityserver_firmware*cpe:2.3:o:utimaco:securityserver_firmware:*:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

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CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

45.2%

JSON
Related for CVE-2020-26155
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