Race condition in GNU nano before 2.2.4, when run by root to edit a file that is not owned by root, allows local user-assisted attackers to change the ownership of arbitrary files via vectors related to the creation of backup files.
Conclusion & alert: CVE-2010-1161 is rated Low Risk (21.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.27%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.27% | +0.22% |
| 2 | 2025-03-19 | 0.04% | 0.05% | +0.01% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.7 | 2.0 | LOW |
|
1.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2010-1161 low priority: Debian including 1 source packages (nano), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2010-1161 |
gentoo
|
normal | CVE-2010-1161: 1 GLSA(s) (201006-08), 1 atom(s) (app-editors/nano); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-1161 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2010-1161 |
ubuntu
|
low | CVE-2010-1161 low priority: Ubuntu including 1 source packages (nano), 17 status rows across 17 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid): not-affected 10, ignored 6, released 1. | https://ubuntu.com/security/CVE-2010-1161 |
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2010-1161 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gnu | nano | <= 2.2.3 | cpe:2.3:a:gnu:nano:*:*:*:*:*:*:*:* |
| gnu | nano | 0.5.0 | cpe:2.3:a:gnu:nano:0.5.0:*:*:*:*:*:*:* |
| gnu | nano | 0.5.1 | cpe:2.3:a:gnu:nano:0.5.1:*:*:*:*:*:*:* |
| gnu | nano | 0.5.2 | cpe:2.3:a:gnu:nano:0.5.2:*:*:*:*:*:*:* |
| gnu | nano | 0.5.3 | cpe:2.3:a:gnu:nano:0.5.3:*:*:*:*:*:*:* |
| gnu | nano | 0.5.4 | cpe:2.3:a:gnu:nano:0.5.4:*:*:*:*:*:*:* |
| gnu | nano | 0.5.5 | cpe:2.3:a:gnu:nano:0.5.5:*:*:*:*:*:*:* |
| gnu | nano | 0.6.0 | cpe:2.3:a:gnu:nano:0.6.0:*:*:*:*:*:*:* |
| gnu | nano | 0.6.1 | cpe:2.3:a:gnu:nano:0.6.1:*:*:*:*:*:*:* |
| gnu | nano | 0.6.2 | cpe:2.3:a:gnu:nano:0.6.2:*:*:*:*:*:*:* |
| gnu | nano | 0.6.3 | cpe:2.3:a:gnu:nano:0.6.3:*:*:*:*:*:*:* |
| gnu | nano | 0.6.4 | cpe:2.3:a:gnu:nano:0.6.4:*:*:*:*:*:*:* |
| gnu | nano | 0.6.5 | cpe:2.3:a:gnu:nano:0.6.5:*:*:*:*:*:*:* |
| gnu | nano | 0.6.6 | cpe:2.3:a:gnu:nano:0.6.6:*:*:*:*:*:*:* |
| gnu | nano | 0.6.7 | cpe:2.3:a:gnu:nano:0.6.7:*:*:*:*:*:*:* |
| gnu | nano | 0.6.8 | cpe:2.3:a:gnu:nano:0.6.8:*:*:*:*:*:*:* |
| gnu | nano | 0.6.9 | cpe:2.3:a:gnu:nano:0.6.9:*:*:*:*:*:*:* |
| gnu | nano | 0.7.0 | cpe:2.3:a:gnu:nano:0.7.0:*:*:*:*:*:*:* |
| gnu | nano | 0.7.1 | cpe:2.3:a:gnu:nano:0.7.1:*:*:*:*:*:*:* |
| gnu | nano | 0.7.2 | cpe:2.3:a:gnu:nano:0.7.2:*:*:*:*:*:*:* |
| gnu | nano | 0.7.3 | cpe:2.3:a:gnu:nano:0.7.3:*:*:*:*:*:*:* |
| gnu | nano | 0.7.4 | cpe:2.3:a:gnu:nano:0.7.4:*:*:*:*:*:*:* |
| gnu | nano | 0.7.5 | cpe:2.3:a:gnu:nano:0.7.5:*:*:*:*:*:*:* |
| gnu | nano | 0.7.6 | cpe:2.3:a:gnu:nano:0.7.6:*:*:*:*:*:*:* |
| gnu | nano | 0.7.7 | cpe:2.3:a:gnu:nano:0.7.7:*:*:*:*:*:*:* |
| gnu | nano | 0.7.8 | cpe:2.3:a:gnu:nano:0.7.8:*:*:*:*:*:*:* |
| gnu | nano | 0.7.9 | cpe:2.3:a:gnu:nano:0.7.9:*:*:*:*:*:*:* |
| gnu | nano | 0.8.0 | cpe:2.3:a:gnu:nano:0.8.0:*:*:*:*:*:*:* |
| gnu | nano | 0.8.1 | cpe:2.3:a:gnu:nano:0.8.1:*:*:*:*:*:*:* |
| gnu | nano | 0.8.2 | cpe:2.3:a:gnu:nano:0.8.2:*:*:*:*:*:*:* |
| gnu | nano | 0.8.3 | cpe:2.3:a:gnu:nano:0.8.3:*:*:*:*:*:*:* |
| gnu | nano | 0.8.4 | cpe:2.3:a:gnu:nano:0.8.4:*:*:*:*:*:*:* |
| gnu | nano | 0.8.5 | cpe:2.3:a:gnu:nano:0.8.5:*:*:*:*:*:*:* |
| gnu | nano | 0.8.6 | cpe:2.3:a:gnu:nano:0.8.6:*:*:*:*:*:*:* |
| gnu | nano | 0.8.7 | cpe:2.3:a:gnu:nano:0.8.7:*:*:*:*:*:*:* |
| gnu | nano | 0.8.8 | cpe:2.3:a:gnu:nano:0.8.8:*:*:*:*:*:*:* |
| gnu | nano | 0.8.9 | cpe:2.3:a:gnu:nano:0.8.9:*:*:*:*:*:*:* |
| gnu | nano | 0.9.0 | cpe:2.3:a:gnu:nano:0.9.0:*:*:*:*:*:*:* |
| gnu | nano | 0.9.1 | cpe:2.3:a:gnu:nano:0.9.1:*:*:*:*:*:*:* |
| gnu | nano | 0.9.2 | cpe:2.3:a:gnu:nano:0.9.2:*:*:*:*:*:*:* |
| gnu | nano | 0.9.3 | cpe:2.3:a:gnu:nano:0.9.3:*:*:*:*:*:*:* |
| gnu | nano | 0.9.4 | cpe:2.3:a:gnu:nano:0.9.4:*:*:*:*:*:*:* |
| gnu | nano | 0.9.5 | cpe:2.3:a:gnu:nano:0.9.5:*:*:*:*:*:*:* |
| gnu | nano | 0.9.6 | cpe:2.3:a:gnu:nano:0.9.6:*:*:*:*:*:*:* |
| gnu | nano | 0.9.7 | cpe:2.3:a:gnu:nano:0.9.7:*:*:*:*:*:*:* |
| gnu | nano | 0.9.8 | cpe:2.3:a:gnu:nano:0.9.8:*:*:*:*:*:*:* |
| gnu | nano | 0.9.9 | cpe:2.3:a:gnu:nano:0.9.9:*:*:*:*:*:*:* |
| gnu | nano | 0.9.10 | cpe:2.3:a:gnu:nano:0.9.10:*:*:*:*:*:*:* |
| gnu | nano | 0.9.11 | cpe:2.3:a:gnu:nano:0.9.11:*:*:*:*:*:*:* |
| gnu | nano | 0.9.12 | cpe:2.3:a:gnu:nano:0.9.12:*:*:*:*:*:*:* |
| gnu | nano | 0.9.13 | cpe:2.3:a:gnu:nano:0.9.13:*:*:*:*:*:*:* |
| gnu | nano | 0.9.14 | cpe:2.3:a:gnu:nano:0.9.14:*:*:*:*:*:*:* |
| gnu | nano | 0.9.15 | cpe:2.3:a:gnu:nano:0.9.15:*:*:*:*:*:*:* |
| gnu | nano | 0.9.16 | cpe:2.3:a:gnu:nano:0.9.16:*:*:*:*:*:*:* |
| gnu | nano | 0.9.17 | cpe:2.3:a:gnu:nano:0.9.17:*:*:*:*:*:*:* |
| gnu | nano | 0.9.18 | cpe:2.3:a:gnu:nano:0.9.18:*:*:*:*:*:*:* |
| gnu | nano | 0.9.19 | cpe:2.3:a:gnu:nano:0.9.19:*:*:*:*:*:*:* |
| gnu | nano | 0.9.20 | cpe:2.3:a:gnu:nano:0.9.20:*:*:*:*:*:*:* |
| gnu | nano | 0.9.21 | cpe:2.3:a:gnu:nano:0.9.21:*:*:*:*:*:*:* |
| gnu | nano | 0.9.22 | cpe:2.3:a:gnu:nano:0.9.22:*:*:*:*:*:*:* |
| gnu | nano | 0.9.23 | cpe:2.3:a:gnu:nano:0.9.23:*:*:*:*:*:*:* |
| gnu | nano | 0.9.24 | cpe:2.3:a:gnu:nano:0.9.24:*:*:*:*:*:*:* |
| gnu | nano | 0.9.25 | cpe:2.3:a:gnu:nano:0.9.25:*:*:*:*:*:*:* |
| gnu | nano | 0.9.99pre1 | cpe:2.3:a:gnu:nano:0.9.99pre1:*:*:*:*:*:*:* |
| gnu | nano | 0.9.99pre2 | cpe:2.3:a:gnu:nano:0.9.99pre2:*:*:*:*:*:*:* |
| gnu | nano | 0.9.99pre3 | cpe:2.3:a:gnu:nano:0.9.99pre3:*:*:*:*:*:*:* |
| gnu | nano | 1.0.0 | cpe:2.3:a:gnu:nano:1.0.0:*:*:*:*:*:*:* |
| gnu | nano | 1.0.1 | cpe:2.3:a:gnu:nano:1.0.1:*:*:*:*:*:*:* |
| gnu | nano | 1.0.2 | cpe:2.3:a:gnu:nano:1.0.2:*:*:*:*:*:*:* |
| gnu | nano | 1.0.3 | cpe:2.3:a:gnu:nano:1.0.3:*:*:*:*:*:*:* |
| gnu | nano | 1.0.4 | cpe:2.3:a:gnu:nano:1.0.4:*:*:*:*:*:*:* |
| gnu | nano | 1.0.5 | cpe:2.3:a:gnu:nano:1.0.5:*:*:*:*:*:*:* |
| gnu | nano | 1.0.6 | cpe:2.3:a:gnu:nano:1.0.6:*:*:*:*:*:*:* |
| gnu | nano | 1.0.7 | cpe:2.3:a:gnu:nano:1.0.7:*:*:*:*:*:*:* |
| gnu | nano | 1.0.8 | cpe:2.3:a:gnu:nano:1.0.8:*:*:*:*:*:*:* |
| gnu | nano | 1.0.9 | cpe:2.3:a:gnu:nano:1.0.9:*:*:*:*:*:*:* |
| gnu | nano | 1.1.0 | cpe:2.3:a:gnu:nano:1.1.0:*:*:*:*:*:*:* |
| gnu | nano | 1.1.1 | cpe:2.3:a:gnu:nano:1.1.1:*:*:*:*:*:*:* |
| gnu | nano | 1.1.2 | cpe:2.3:a:gnu:nano:1.1.2:*:*:*:*:*:*:* |
| gnu | nano | 1.1.3 | cpe:2.3:a:gnu:nano:1.1.3:*:*:*:*:*:*:* |