Auth bypass in Juniper Junos
CVE-2016-1278
Juniper Junos OS before 12.1X46-D50 on SRX Series devices reverts to "safe mode" authentication and allows root CLI logins without a password after a failed upgrade to 12.1X46, which might allow local users to gain privileges by leveraging use of the "request system software" command with the "partition" option.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- kb.juniper.net/InfoCenter/index (Mitigation, Vendor Advisory)
- www.securitytracker.com/id/1036307 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/91757 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-1278?
- CVE-2016-1278 is a high-severity vulnerability in Juniper Junos, classified under Improper Authentication. CVSS score: 7.8/10. Published 2016-08-05.
- How severe is CVE-2016-1278?
- High severity. CVSS v3 base score is 7.8 out of 10.