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CVE-1999-0143

14
FAUCET Score

CVE-1999-0143 describes a vulnerability in Kerberos 4 key servers, affecting MIT, Process Software, and Sun products, where an attacker can impersonate other users by manipulating session keys. With a CVSS score of 4.6 (MEDIUM), this local attack requires low complexity and can lead to partial compromise of confidentiality, integrity, and availability. Despite its age, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and it has garnered no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:4.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:-:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:a:process_software:multinet:3.4:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:a:process_software:multinet:3.5:*:*:*:*:*:*:*
5.3CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 55th percentile among its peer group of 3,048 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 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/CVE-1999-0143