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CVE-2000-0055

18
FAUCET Score

CVE-2000-0055 describes a buffer overflow vulnerability in the Solaris chkperm command, affecting Sun Solaris and SunOS. This flaw allows local users to achieve root access by supplying an excessively long -n option. With a CVSS score of 7.2 (HIGH), it represents a critical local attack vector with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available, it is not listed in CISA's KEV catalog, and it shows no evidence of active exploitation or community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.4CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.4:*:x86:*:*:*:*:*
2.5CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.5:*:x86:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.5.1:*:ppc:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.5.1:*:x86:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*

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
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 25th percentile among its peer group of 3,235 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

securityfocus.com / bid/918