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CVE-2002-1998

25
FAUCET Score

CVE-2002-1998 describes a buffer overflow vulnerability in the rpc.cmsd service of SCO UnixWare 7.1.1 and Open UNIX 8.0.0. This flaw allows unauthenticated remote attackers to execute arbitrary commands by sending an excessively long parameter to the rtable_create function (procedure 21). With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation (not in KEV) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
8.0.0CPE matchmatch criteria
cpe:2.3:o:sco:open_unix:8.0.0:*:*:*:*:*:*:*
7.1.1CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 70th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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/openunix/CSSA-2002-SCO.12/CSSA-2002-SCO.12.txt
PatchVendor Advisory
derkeiler.com / Mailing-Lists/securityfocus/bugtraq/2002-01/0127.html
Exploit
derkeiler.com / Mailing-Lists/securityfocus/bugtraq/2002-01/0129.html
Exploit
iss.net / security_center/static/8597.php
Patch