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CVE-1999-1185

27
FAUCET Score

CVE-1999-1185 describes a buffer overflow vulnerability in SCO mscreen, affecting various SCO products including OpenServer and Open Desktop. This flaw allows a local attacker to gain root privileges by supplying an excessively long terminal entry in the .mscreenrc file. With a CVSS score of 7.2 (HIGH), this vulnerability is easily exploitable locally with no authentication required, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an exploit for SCO OpenServer 5.0.5 exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:sco:cmw:3.0:*:*:*:*:*:*:*
all_versionsCPE matchmatch criteria
cpe:2.3:o:sco:internet_faststart:all_versions:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:sco:openserver:3.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:sco:openserver:5.0:*:*:*:*:*:*:*

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
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-261 · Jan 26, 2001
This CVE's current EPSS score of 0.0083 is in the 74th 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

marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/1379