CVE-2009-4494

Exp

AOLserver 4.5.1 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-2009-4494 is rated High Exploit Risk (65.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.58%). 3 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-2009-4494

EDB-ID Source Kind Published Link
33497 exploit_db edb 2010-01-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4494

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 2026-05-22 3.44% 3.58% +0.14%
2 2025-07-17 3.94% 3.44% -0.50%
3 2025-05-04 — 3.94% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4494

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-2009-4494

OS Trackers for CVE-2009-4494

vendor priority summary link
ubuntu negligible CVE-2009-4494 negligible priority: Ubuntu including 1 source packages (aolserver4), 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-2009-4494

Affected software / configurations for CVE-2009-4494

Vendor Product Version Raw CPE
aol aolserver 4.5.1 cpe:2.3:a:aol:aolserver:4.5.1:*:*:*:*:*:*:*

References for CVE-2009-4494

cvelogic Threat Intelligence