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CVE-2001-0426

33
FAUCET Score

CVE-2001-0426 describes a buffer overflow vulnerability in the dtsession program, affecting Sun Solaris and potentially other operating systems. A local attacker can exploit this by providing an overly long LANG environmental variable, leading to privilege escalation. This vulnerability is rated as high severity (CVSS 7.2) due to its local attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code for this vulnerability is publicly available on ExploitDB, and it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.6CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:7.0:*:x86:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:sun:sunos:-:*:*:*:*:*:*:*
5.7CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*

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
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20766 · Apr 11, 2001
This CVE's current EPSS score of 0.0087 is in the 75th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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/2001-04/0203.html
ExploitVendor Advisory