CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
AI Score
Confidence
Low
EPSS
Percentile
90.7%
Debian LTS Advisory DLA-2630-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
April 21, 2021 https://wiki.debian.org/LTS
Package : wordpress
Version : 4.7.20+dfsg-1+deb9u1
CVE ID : CVE-2021-29447 CVE-2021-29450
Debian Bug : 987065
CVE-2021-29447
Wordpress is an open source CMS. A user with the ability to
upload files (like an Author) can exploit an XML parsing issue
in the Media Library leading to XXE attacks. This requires
WordPress installation to be using PHP 8. Access to internal
files is possible in a successful XXE attack.
CVE-2021-29450
Wordpress is an open source CMS. One of the blocks in the
WordPress editor can be exploited in a way that exposes
password-protected posts and pages. This requires at least
contributor privileges.
For Debian 9 stretch, these problems have been fixed in version
4.7.20+dfsg-1+deb9u1.
We recommend that you upgrade your wordpress packages.
For the detailed security status of wordpress please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/wordpress
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
AI Score
Confidence
Low
EPSS
Percentile
90.7%