CVE-2016-4982 json
authd sets weak permissions for /etc/ident.key, which allows local users to obtain the key by leveraging a race condition between the creat…
published 2017-07-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5950
- cvss
- 4.7
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
authd sets weak permissions for /etc/ident.key, which allows local users to obtain the key by leveraging a race condition between the creation of the key, and the chmod to protect it.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-4982 updated cvss 2.5
authd insecure /etc/ident.key file creation
-
Red Hat Enterprise Linux 4 authd Red Hat Enterprise Linux 5 authd Red Hat Enterprise Linux 6 authd Red Hat Enterprise Linux 7 authdaffected: no fix planned “Will not fix”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
bugzilla.redhat.com
/show_bug.cgi?id=1346051
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2016-4982
- NVD CVE-2016-4982
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.