{"id":"CVE-2016-1561","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-1561","generatedAt":"2026-10-27T17:43:48.487Z","title":"ExaGrid appliances with firmware before 4.8 P26 have a default SSH public key in the authorized_keys file for root, which allows remote attackers to obtain SSH access by leveraging knowledge of a private key from another installation or a firmware image.","description":"ExaGrid appliances with firmware before 4.8 P26 have a default SSH public key in the authorized_keys file for root, which allows remote attackers to obtain SSH access by leveraging knowledge of a private key from another installation or a firmware image.","published":"2017-04-21T20:59:00.000Z","lastModified":"2026-06-17T00:42:10.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["exagrid/ex3000 firmware","exagrid/ex5000 firmware","exagrid/ex7000 firmware","exagrid/ex10000e firmware","exagrid/ex13000e firmware","exagrid/ex21000e firmware","exagrid/ex32000e firmware","exagrid/ex40000e firmware"],"epss":{"score":0.74261,"percentile":0.99484,"date":"2026-10-26","history":[{"date":"2026-09-21","score":0.77913,"percentile":0.99562},{"date":"2026-09-22","score":0.74261,"percentile":0.99466}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2016-04-07","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":41680,"kind":"exploit","title":"ExaGrid - Known SSH Key and Default Password (Metasploit)","url":"https://www.exploit-db.com/exploits/41680","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/41680.rb","file":"exploits/linux/remote/41680.rb","published":"2016-04-07","added":"2017-03-23","updated":"2017-03-23","author":"Metasploit","type":"remote","platform":"linux","port":22,"verified":true,"codes":["CVE-2016-1561","CVE-2016-1560"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/rapid7/metasploit-framework/blob/dfcd5742c14a64f055849e7867cc33ae6f57a38e/modules/exploits/linux/ssh/exagrid_known_privkey.rb"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 74.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/136634/ExaGrid-Known-SSH-Key-Default-Password.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/ssh/exagrid_known_privkey","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://community.rapid7.com/community/infosec/blog/2016/04/07/r7-2016-04-exagrid-backdoor-ssh-keys-and-hardcoded-credentials","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://packetstormsecurity.com/files/136634/ExaGrid-Known-SSH-Key-Default-Password.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/ssh/exagrid_known_privkey","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://community.rapid7.com/community/infosec/blog/2016/04/07/r7-2016-04-exagrid-backdoor-ssh-keys-and-hardcoded-credentials","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-1561","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}