CVE-2021-23463

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

2.78% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.9% of scored records. A rank, not a probability.

NVD base score

9.1 (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:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

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

2021-12-10 20:00Z4 YR AGO

Last updated

2024-09-17 03:47Z2 YR AGO

Reserved

2021-01-08

Assigning CNA

snyk

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

3fe90a3fa2b229facc3007f10b24f5c8e43e3bb60c6cc5e0a78c554b7a1c32f8

• github.comhttps://github.com/h2database/h2database/issues/3195
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238
• github.comhttps://github.com/h2database/h2database/pull/3199
• github.comhttps://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230818-0010/