CVE-2001-0779
CriticalPublic exploitBuffer overflow in rpc.yppasswdd (yppasswd server) in Solaris 2.6, 7 and 8 allows remote attackers to gain root access via a long username.
Published Oct 18, 2001 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2001-0779 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Solaris (Sun), Sunos.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 62% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
62%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Buffer overflow in rpc.yppasswdd (yppasswd server) in Solaris 2.6, 7 and 8 allows remote attackers to gain root access via a long username.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SolarisSun | 2.6, 7.0, 8.0 | n/a |
| SunosSun | 5.7, 5.8 | n/a |
Timeline
Publicly disclosed
Oct 18, 2001
Last updated
Apr 15, 2026
References
- patch20010528 solaris 2.6, 7 yppasswd vulnerability
- patch2763
- exploitExploitDB-20879
- othersolaris-yppasswd-bo(6629)
- otheroval:org.mitre.oval:def:102
FAQ
Common Questions.
Buffer overflow in rpc.yppasswdd (yppasswd server) in Solaris 2.6, 7 and 8 allows remote attackers to gain root access via a long username.
Affected: Solaris (Sun) versions 2.6, 7.0, 8.0; Sunos versions 5.7, 5.8. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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