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01 Record

CVE-2021-30201

Unauthenticated XML External Entity vulnerability in Kaseya VSA < v9.5.6

HighPUBLISHEDCNA: mitre
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

02 Description

Unauthenticated XML External Entity vulnerability in Kaseya VSA < v9.5.6

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
26.08% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.9% of scored records. A rank, not a probability.
NVD base score
7.5 (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:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
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.

04 Metadata

Published
2021-07-09 13:25Z5 YR AGO
Last updated
2024-08-03 22:24Z2 YR AGO
Reserved
2021-04-07
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
  • CWE-611Improper Restriction of XML External Entity ReferenceBase
Data version
5.1
Document digest
a8f7e42b930789f4d9cf457add5057a5216c053a900043aa3436e392e7b19981

05 Affected products

VendorProductVersionsPlatforms
kaseyavsaNot specified—

06 References

07 Remediation

Upgrade to version 9.5.6 or higher