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CVE-1999-0318

19
FAUCET Score

CVE-1999-0318 describes a buffer overflow vulnerability in xmcd version 2.0p12, allowing local users to gain elevated privileges via an environmental variable. This flaw affects products from vendors including HP, IBM, Red Hat, and Sun. With a CVSS score of 7.2 (HIGH), it presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB, and it has garnered no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:11:*:*:*:*:*:*:*
4CPE matchmatch criteria
cpe:2.3:o:ibm:aix:4:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
5.5.1CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 67th percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/CVE-1999-0318