Information disclosure in Exagrid Ex10000e
CVE-2016-1561
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.743 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.779 · newest: 0.743 · change: -0.037
Affected products
- Exagrid Ex10000e
- Exagrid Ex10000e Firmware — versions 4.8
- Exagrid Ex13000e
- Exagrid Ex13000e Firmware — versions 4.8
- Exagrid Ex21000e
- Exagrid Ex21000e Firmware — versions 4.8
- Exagrid Ex3000
- Exagrid Ex3000 Firmware — versions 4.8
- Exagrid Ex32000e
- Exagrid Ex32000e Firmware — versions 4.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/136634/ExaGrid-Known-SSH-Key-Default-Password.html (Exploit, VDB Entry, Third Party Advisory)
- community.rapid7.com/community/infosec/blog/2016/04/07/r7-2016-04-exagrid-backd… (Exploit, Third Party Advisory, Mitigation)
- www.rapid7.com/db/modules/exploit/linux/ssh/exagrid_known_privkey (Third Party Advisory)
Frequently asked questions
- What is CVE-2016-1561?
- CVE-2016-1561 is a high-severity vulnerability in Exagrid Ex10000e, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-04-21.
- How severe is CVE-2016-1561?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-1561 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.