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CVE-2001-0998

20
FAUCET Score

CVE-2001-0998 describes a denial-of-service vulnerability affecting IBM HACMP 4.4 on IBM AIX. Remote attackers can trigger this by establishing a TCP connection to HACMP ports without sending further data, causing the snmpd service to fail. This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and partial availability impact. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
4.4CPE matchmatch criteria
cpe:2.3:a:ibm:hacmp:4.4:*:*:*:*:*:*:*
4.3CPE matchmatch criteria
cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
4.3.3CPE matchmatch criteria
cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:*
5.1CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.89%
Probability of exploitation in next 30 days
EPSS Percentile
85.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0289 is in the 79th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/7165
www-1.ibm.com / support/search.wss
www-1.ibm.com / support/search.wss
securityfocus.com / archive/1/216105
Vendor Advisory
securityfocus.com / archive/1/217910
Patch
securityfocus.com / bid/3358
ExploitPatchVendor Advisory