CVE-2003-0386

published 2003-07-02

CVE-2003-0386: OpenSSH 3.6.1 and earlier, when restricting host access by numeric IP addresses and with VerifyReverseMapping disabled, allows remote attackers to bypass…

Priority P4 31 high 7.5 CVSS 2.0

AV N AC L Au N C P I P A P

OpenSSH 3.6.1 and earlier, when restricting host access by numeric IP addresses and with VerifyReverseMapping disabled, allows remote attackers to bypass "from=" and "user@host" address restrictions by connecting to a host from a system whose reverse DNS hostname contains the numeric IP address.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	openssh	< openssh 1:3.8p1-1 (bookworm)	openssh 1:3.8p1-1 (bookworm)
openbsd	openssh	—	—
openbsd	openssh	>= 0 < 1:3.8p1-1	1:3.8p1-1
openbsd	openssh	>= 0 < 1:3.8p1-1	1:3.8p1-1
openbsd	openssh	>= 0 < 1:3.8p1-1	1:3.8p1-1
openbsd	openssh	>= 0 < 1:3.8p1-1	1:3.8p1-1

CVSS provenance

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

osv 7.5 HIGH

vendor_debian 7.5 HIGH

vendor_redhat 7.5 HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.