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CVE-1999-1571

18
FAUCET Score

CVE-1999-1571 describes a buffer overflow vulnerability in the 'sar' utility within SCO OpenServer versions 5.0.0 through 5.0.5. This flaw allows local users to escalate privileges to root by supplying an excessively long value to the '-f' parameter. With a CVSS score of 7.2 (High), this vulnerability is easily exploitable locally with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, readily available exploit code (e.g., Metasploit, ExploitDB), or significant community discussion surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.0CPE matchmatch criteria
cpe:2.3:o:sco:openserver:5.0.0:*:*:*:*:*:*:*
5.0.5CPE matchmatch criteria
cpe:2.3:o:sco:openserver:5.0.5:*:*:*:*:*:*:*

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
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 51st 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

stage.caldera.com / pub/security/sse/security_bulletins/SB-99.17c
stage.caldera.com / pub/security/sse/sse037c/sse037c.ltr
marc.info
marc.info
marc.info
marc.info
online.securityfocus.com / advisories/1843
PatchVendor Advisory
online.securityfocus.com / archive/1/27074
iss.net / security_center/static/8989.php
Vendor Advisory
securityfocus.com / bid/643