All vulnerabilities

Servers and applications

CVE-2001-0816

OpenSSH before 2.9.9, when running sftp using sftp-server and using restricted keypairs, allows remote authenticated users to bypass authorized_keys2 command= restrictions using sftp commands.

Severity
High 7.5
Published
6 Dec 2001
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
1.8% in the next 30 daysHigher than 78% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • Every version up to 2.9.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2001-0816
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2001-0816