4.3

CVE-1999-0999: microsoft sql_server Improper Input Validation

CVSS: 4.3v2.0MediumModified
Published 18-01-2000Last modified 01-08-2024

Vulnerability summary

CVE-1999-0999 is a medium (CVSS 4.3) Improper Input Validation vulnerability in microsoft sql_server. EPSS estimates a 21.68% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
21.68%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 18-01-2000
    PublishedVulnerability first disclosed.
  2. 01-08-2024
    Last modifiedVulnerability information updated.

Description

Microsoft SQL 7.0 server allows a remote attacker to cause a denial of service via a malformed TDS packet.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.68%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.68% on 19-09-2026

19-09-202619-10-2026
EPSS score
21.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoswindowsVerified

    Microsoft SQL Server 7.0/7.0 SP1 - NULL Data Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Microsoft1 product

1 vendor · 1 product

References

3 links