CVE-2009-4490: acme mini_httpd Improper Input Validation
Vulnerability summary
CVE-2009-4490 is a medium (CVSS 5.0) Improper Input Validation vulnerability in acme mini_httpd. EPSS estimates a 10.19% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 13-01-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
10.19%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 10.19% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (ush.it)
Maturity: unknown
mini_httpd 1.18 - HTTP Request Escape Sequence Terminal Command Injection
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Acme1 product
- mini_httpd1.19
Debian1 product
- mini-httpdAll versions (No fix recorded)
Ubuntu1 product
- mini-httpdAll versions (No fix recorded)
3 vendors · 3 products