CVE-2009-4490

Exp

mini_httpd 1.19 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.

Published: 2010-01-13 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4490 is rated High Exploit Risk (66/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.03%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-4490

EDB-ID Source Kind Published Link
33500 exploit_db edb 2010-01-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4490

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 2026-06-11 4.11% 4.03% -0.09%
2 2026-06-06 4.00% 4.11% +0.12%
3 2026-05-22 — 4.00% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4490

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-4490

OS Trackers for CVE-2009-4490

vendor priority summary link
debian unimportant CVE-2009-4490 unimportant priority: Debian including 1 source packages (mini-httpd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2009-4490
gentoo normal CVE-2009-4490: 1 GLSA(s) (201206-27), 1 atom(s) (www-servers/mini_httpd); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-4490
ubuntu negligible CVE-2009-4490 negligible priority: Ubuntu including 1 source packages (mini-httpd), 38 status rows across 38 suites (artful, bionic, cosmic, dapper, disco, eoan, focal, groovy, hardy, hirsute, impish, intrepid, jammy, jaunty, karmic, kinetic, lucid, lunar, mantic, maverick, natty, noble, oneiric, oracular, plucky, precise, quantal, questing, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): … (4 distinct statuses). https://ubuntu.com/security/CVE-2009-4490

Affected software / configurations for CVE-2009-4490

Vendor Product Version Raw CPE
acme mini_httpd 1.19 cpe:2.3:a:acme:mini_httpd:1.19:*:*:*:*:*:*:*

References for CVE-2009-4490

cvelogic Threat Intelligence