CVE-2000-0546: cygnus_network_security_project cygnus_network_security Classic Buffer Overflow
CVSS: 5.0v2.0MediumModified
Published 12-07-2000Last modified 08-08-2024
Vulnerability summary
CVE-2000-0546 is a medium (CVSS 5.0) Classic Buffer Overflow vulnerability in cygnus_network_security_project cygnus_network_security. EPSS estimates a 2.89% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
2.89%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-07-2000PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.89%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.89% on 18-09-2026
18-09-202618-10-2026
EPSS score2.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mit2 products
- kerberos< 4.0 | 4.0 | 4.0:patch10
- kerberos_5≥ 1.0, ≤ 1.0.7 | 1.1 | 1.1.1
Cygnus_network_security_project1 product
Kerbnet_project1 product
- kerbnetna
3 vendors · 4 products
References
5 links- ciac.llnl.gov/ciac/bulletins/k-051.shtmlThird Party AdvisoryGovernment ResourceX Refsource CIACBroken Link