CVE-2007-2243
5.0 · MEDIUMOverview
CVE-2007-2243 is a medium-severity vulnerability affecting openbsd openssh. It was published on April 25, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.
Remediation
Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
References
Frequently Asked Questions
What is CVE-2007-2243?
CVE-2007-2243 is a medium-severity vulnerability affecting openbsd openssh. It was published on April 25, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2007-2243?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2007-2243?
Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2007-2243?
CyberStrike's AI-powered security agents can automatically detect CVE-2007-2243 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related MEDIUM CVEs from 2007
View all →The CFUserNotificationSendRequest function in UserNotificationCenter.app in Apple Mac OS X 10.4.8, w
Unspecified vulnerability in kcms_calibrate in Sun Solaris 8 and 9 before 20071122 allows local user
Buffer overflow in libvsapi.so in the VSAPI library in Trend Micro VirusWall 3.81 for Linux, as used
The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, a
Buffer overflow in the bufprint function in capiutil.c in libcapi, as used in Linux kernel 2.6.9 to
DreameeSoft Password Master 1.0 stores the database in an unencrypted format when the master passwor
Multiple buffer overflows in the (1) read and (2) write handlers in the Omnikey CardMan 4040 driver
Multiple buffer overflows in Conquest 8.2a and earlier (1) allow local users to gain privileges by q
Integer overflow in the ktruser function in NetBSD-current before 20061022, NetBSD 3 and 3-0 before
Plash permits sandboxed processes to open /dev/tty, which allows local users to escape sandbox restr
Buffer overflow in the crack extension (CrackLib), as bundled with PHP 4.4.6 and other versions befo
The IOKit HID interface in Apple Mac OS X 10.3.9 and 10.4 through 10.4.8 does not sufficiently limit