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CVE-2009-4495

26
FAUCET Score

CVE-2009-4495 describes a vulnerability in Yaws 1.85 where unsanitized non-printable characters written to log files could allow remote attackers to manipulate terminal emulator escape sequences. This could lead to window title modification, or potentially arbitrary command execution or file overwrites. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required. While not actively exploited in the wild or on hot lists, an exploit for a similar version (1.55) exists on ExploitDB, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.85CPE matchmatch criteria
cpe:2.3:a:yaws:yaws:1.85:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.03%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-33502 · Jan 11, 2010
This CVE's current EPSS score of 0.0903 is in the 93rd percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityfocus.com / archive/1/508830/100/0/threaded
securityfocus.com / bid/37716
Exploit
ush.it / team/ush/hack_httpd_escape/adv.txt
Exploit