5

CVE-2000-0453: xfree86_project x11r6

CVSS: 5.0v2.0MediumModified
Published 12-07-2000Last modified 08-08-2024
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Vulnerability summary

CVE-2000-0453 is a medium (CVSS 5.0) vulnerability in xfree86_project x11r6. EPSS estimates a 2.96% chance of exploitation in the next 30 days, higher than 87% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 12-07-2000
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

XFree86 3.3.x and 4.0 allows a user to cause a denial of service via a negative counter value in a malformed TCP packet that is sent to port 6000.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.96%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.96%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoslinuxVerified

    XFree86 X11R6 3.3.5/3.3.6/4.0 Xserver - Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Xfree86_project1 product

1 vendor · 1 product

References

2 links