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CVE-2001-0422

27
FAUCET Score

CVE-2001-0422 describes a buffer overflow vulnerability in the Xsun display server in Solaris 8 and earlier versions. This flaw allows a local attacker to execute arbitrary commands by supplying an excessively long HOME environmental variable. With a CVSS score of 7.2 (HIGH) and a FAUCET Risk Score of 86/100, this vulnerability poses a significant risk due to its low attack complexity and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog or currently active on any hot lists, public exploit code exists on ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.6CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
5.3CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
5.4CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
5.5CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
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
1.27%
Probability of exploitation in next 30 days
EPSS Percentile
66.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20743 · Apr 10, 2001
This CVE's current EPSS score of 0.0127 is in the 84th 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

archives.neohapsis.com / archives/bugtraq/2001-04/0158.html
ExploitPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/6343
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A555
securityfocus.com / bid/2561
ExploitPatchVendor Advisory