CVE-2007-0882
CriticalPublic exploitArgument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11) misinterprets certain client "-f" sequences as valid requests for the login program to skip authentication, which allows remote attackers to log into certain accounts,…
Published Feb 12, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-0882 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Solaris (Oracle), Sunos.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 98% 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)
98%
Higher than 99.9% 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
Get the full CVE-2007-0882 brief as a PDF
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Description
Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11) misinterprets certain client "-f" sequences as valid requests for the login program to skip authentication, which allows remote attackers to log into certain accounts, as demonstrated by the bin account.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SolarisOracle | 10, 11 | n/a |
| SunosSun | 5.10, 5.11 | n/a |
Timeline
Publicly disclosed
Feb 12, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
References
- advisory20070211 "0day was the case that they gave me"
- advisory24120
- advisorysolaris-telnet-authentication-bypass(32434)
- advisoryVU#881872
- advisory20070212 Re: [Full-disclosure] Solaris telnet vulnberability - how many on your network?
FAQ
Common Questions.
Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11) misinterprets certain client "-f" sequences as valid requests for the login program to skip authentication, which allows remote attackers to log into certain accounts, as demonstrated by the bin account.
Affected: Solaris (Oracle) versions 10, 11; Sunos versions 5.10, 5.11. 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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