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CVE-2023-30990

31
FAUCET Score

CVE-2023-30990 is a critical vulnerability affecting IBM i versions 7.2, 7.3, 7.4, and 7.5, allowing a remote attacker to execute CL commands as QUSER by exploiting the DDM architecture. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
7.2CPE matchmatch criteria
cpe:2.3:a:ibm:i:7.2:*:*:*:*:*:*:*
7.3CPE matchmatch criteria
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
7.4CPE matchmatch criteria
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
7.5CPE matchmatch criteria
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 44th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/254036
VDB EntryVendor Advisory
ibm.com / support/pages/node/7008573
PatchVendor Advisory