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CVE-1999-0831

15
FAUCET Score

CVE-1999-0831 describes a denial-of-service vulnerability in Linux syslogd, affecting products like Cobalt, Debian, Sun, and SUSE, where a large number of connections can disrupt service. With a CVSS score of 5.0 (Medium), this vulnerability is remotely exploitable with low attack complexity, requiring no authentication, and primarily impacts availability. There is no evidence of active exploitation, readily available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this older CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:cobalt:qube:1.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:cobalt:qube:2.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:sun:cobalt_raq:1.1:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:sun:cobalt_raq_2:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:sun:cobalt_raq_3i:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 52nd percentile among its peer group of 23,690 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

Vendor Advisories (1)

redhatCVE-1999-0831

security flaw

Nov 18, 1999

References

ftp.caldera.com / pub/security/OpenLinux/CSSA-1999-035.0.txt
securityfocus.com / bid/809