CVE-2018-20753

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-04-13. Federal remediation due 2022-05-04.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

29.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-13.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-02-05 05:00Z7 YR AGO

Last updated

2026-08-13 03:55Z22 DAYS AGO

Reserved

2019-02-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

33f5d3c27f6a6b9a2e406eef0fb9bf188ada3dcc114ec63ff3a2f4c660766258

• blog.huntresslabs.comhttps://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88x_refsource_MISC
• helpdesk.kaseya.comhttps://helpdesk.kaseya.com/hc/en-gb/articles/360000333152x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753government-resource