CVE-2007-6209

Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Published: 2007-12-04 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-6209 is rated Low Risk (24.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2007-6209

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% 0.07% +0.02%
2 2023-03-07 1.10% 0.04% -1.06%
3 2022-02-04 — 1.10% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-6209

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2007-6209

OS Trackers for CVE-2007-6209

vendor priority summary link
debian low CVE-2007-6209 low priority: Debian including 1 source packages (zsh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-6209
redhat low — https://access.redhat.com/security/cve/CVE-2007-6209
ubuntu low CVE-2007-6209 low priority: Ubuntu including 1 source packages (zsh), 16 status rows across 16 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, upstream): not-affected 10, ignored 5, needs-triage 1. https://ubuntu.com/security/CVE-2007-6209

Vendor comments (NVD) for CVE-2007-6209

  • Red Hat (2007-12-04T00:00:00)

    Not vulnerable. These issues did not affect the versions of the zsh package as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

Affected software / configurations for CVE-2007-6209

Vendor Product Version Raw CPE
zsh zsh 4.3.4 cpe:2.3:a:zsh:zsh:4.3.4:*:*:*:*:*:*:*

References for CVE-2007-6209

cvelogic Threat Intelligence