Vulnerability Details : CVE-2009-4491

Potential exploit
thttpd 2.25b0 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 20:30:01
Updated 2025-04-09 00:30:58
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2009-4491

Threat overview for CVE-2009-4491

Top countries where our scanners detected CVE-2009-4491
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-4491 160,086
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4491!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4491

EPSS FAQ
3.64%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-4491

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-07-12

CWE ids for CVE-2009-4491

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)
  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

References for CVE-2009-4491

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