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CVE-2017-17663

29
FAUCET Score

CVE-2017-17663 describes a critical buffer overflow vulnerability in the htpasswd implementation of mini_httpd before v1.28 and thttpd before v2.28. This flaw allows for remote code execution with a CVSS score of 9.8, indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. While no public exploit code exists in common repositories like Metasploit or ExploitDB, the vulnerability has garnered some community discussion and media coverage, including a mention in an article about a Chinese APT. Despite its age, the high FAUCET Risk Score of 79/100 suggests continued concern.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.28CPE matchmatch criteria
cpe:2.3:a:acme:mini_httpd:*:*:*:*:*:*:*:*
< 2.28CPE matchmatch criteria
cpe:2.3:a:acme:thttpd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.41%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0241 is in the 72nd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

acme.com / updates/archive/199.html
Third Party Advisory