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ubuntucveUbuntu.comUB:CVE-2021-39371
HistoryAug 23, 2021 - 12:00 a.m.

CVE-2021-39371

2021-08-2300:00:00
ubuntu.com
ubuntu.com
13
xml external entity
pywps
owslib
server filesystem
security vulnerability

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.005

Percentile

76.4%

An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an
attacker to view files on the application server filesystem by assigning a
path to the entity. OWSLib 0.24.1 may also be affected.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpywps< anyUNKNOWN
ubuntu20.04noarchpywps< anyUNKNOWN
ubuntu22.04noarchpywps< anyUNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.005

Percentile

76.4%