VulnerabilityModified
CVE-2007-2243
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…
MEDIUM 5.0EPSS 2.47%
Does this matter?
Lower severity and a low EPSS score (2.47%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 2.47% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- openbsd/openssh
- Source
- cve@mitre.org
References
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html
- http://securityreason.com/securityalert/2631
- http://www.osvdb.org/34600
- http://www.securityfocus.com/bid/23601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33794
- https://security.netapp.com/advisory/ntap-20191107-0003/
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html
- http://securityreason.com/securityalert/2631
- http://www.osvdb.org/34600
- http://www.securityfocus.com/bid/23601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33794
- https://security.netapp.com/advisory/ntap-20191107-0003/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.