CVE-2022-21606

Vulnerability in the Oracle Services for Microsoft Transaction Server component of Oracle Database Server. The supported version that is affected is 19c. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Services for Microsoft Transaction Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Services for Microsoft Transaction Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Services for Microsoft Transaction Server accessible data as well as unauthorized read access to a subset of Oracle Services for Microsoft Transaction Server accessible data. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Published: 2022-10-18 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-21606 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.66%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-21606

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-12 0.81% 0.66% -0.15%
2 2025-11-11 0.94% 0.81% -0.14%
3 2025-10-24 — 0.94% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-21606

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 [email protected]

Weakness enumeration for CVE-2022-21606

Affected software / configurations for CVE-2022-21606

Vendor Product Version Raw CPE
oracle database_server 19c cpe:2.3:a:oracle:database_server:19c:*:*:*:*:*:*:*

References for CVE-2022-21606

cvelogic Threat Intelligence