GNU screen 4.0.3 creates the /tmp/screen-exchange temporary file with world-readable permissions, which might allow local users to obtain sensitive session information.
Conclusion & alert: CVE-2009-1214 is rated Low Risk (27.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.08%). 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 | 2025-03-17 | 0.04% | 0.08% | +0.04% |
| 2 | 2023-03-07 | 1.03% | 0.04% | -0.99% |
| 3 | 2022-02-04 | — | 1.03% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 2.0 | MEDIUM |
|
3.9 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2009-1214 not yet assigned priority: Debian including 1 source packages (screen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2009-1214 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2009-1214 |
ubuntu
|
low | CVE-2009-1214 low priority: Ubuntu including 1 source packages (screen), 10 status rows across 10 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): ignored 5, not-affected 4, released 1. | https://ubuntu.com/security/CVE-2009-1214 |
Red Hat does not consider this to be a security issue. Affected file is supposed to be used to exchange information between local system users, therefore open permissions are intentional.