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ubuntuUbuntuUSN-5013-1
HistoryJul 20, 2021 - 12:00 a.m.

systemd vulnerabilities

2021-07-2000:00:00
ubuntu.com
114

6.1 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

49.0%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • systemd - system and service manager

Details

It was discovered that systemd incorrectly handled certain mount paths. A
local attacker could possibly use this issue to cause systemd to crash,
resulting in a denial of service. (CVE-2021-33910)

Mitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW
packets. A remote attacker could possibly use this issue to reconfigure
servers. (CVE-2020-13529)

6.1 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

49.0%