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CVE-2023-21949

14
FAUCET Score

CVE-2023-21949 is a low-severity vulnerability affecting the Advanced Networking Option component of Oracle Database Server versions 19.3-19.19 and 21.3-21.10. An unauthenticated attacker with network access via Oracle Net can exploit this with high complexity to achieve unauthorized data modification (insert, update, delete) to some accessible data, resulting in a CVSS 3.1 score of 3.7. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 19.3, <= 19.19CPE matchmatch criteria
cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
>= 21.3, <= 21.10CPE matchmatch criteria
cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
>= 19.3, <= 19.19CPE match
cpe:2.3:a:oracle:advanced_networking_option:*:*:*:*:*:*:*:*
>= 21.3, <= 21.10CPE match
cpe:2.3:a:oracle:advanced_networking_option:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 19th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

oraclepatch availablevia nvd_reference
View patch

References

oracle.com / security-alerts/cpujul2023.html
PatchVendor Advisory