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icsIndustrial Control Systems Cyber Emergency Response TeamAA23-352A
HistoryDec 18, 2023 - 12:00 p.m.

#StopRansomware: Play Ransomware

2023-12-1812:00:00
Industrial Control Systems Cyber Emergency Response Team
www.cisa.gov
26
cyber threats
ransomware
vulnerabilities
multifactor authentication
webmail
vpn
software patching
vulnerability assessments

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

99.9%

JSON

Actions to take today to mitigate cyber threats from Play ransomware:

  1. Prioritize remediating known exploited vulnerabilities.
  2. Enable multifactor authentication (MFA) for all services to the extent possible, particularly for webmail, VPN, and accounts that access critical systems.
  3. Regularly patch and update software and applications to their latest versions and conduct regular vulnerability assessments.

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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

99.9%

JSON
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