CVE-2017-17663
CVE-2017-17663 is a critical-severity vulnerability in Acme Mini Httpd with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Acme Mini Httpd
- Published:
- Last modified:
Description
The htpasswd implementation of mini_httpd before v1.28 and of thttpd before v2.28 is affected by a buffer overflow that can be exploited remotely to perform code execution.
Frequently asked questions
- What is CVE-2017-17663?
- The htpasswd implementation of mini_httpd before v1.28 and of thttpd before v2.28 is affected by a buffer overflow that can be exploited remotely to perform code execution.
- How severe is CVE-2017-17663?
- CVE-2017-17663 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-17663 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-17663?
- CVE-2017-17663 primarily affects Acme Mini Httpd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-17663?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-17663 published?
- CVE-2017-17663 was published on 2018-02-06 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:acme:mini_httpd:*:*:*:*:*:*:*:*
- cpe:2.3:a:acme:thttpd:*:*:*:*:*:*:*:*
More vulnerabilities in Acme Mini Httpd
- CVE-2015-1548 — Medium (CVSS 5.0): mini_httpd 1.21 and earlier allows remote attackers to obtain sensitive information from process memory via an HTTP…
- CVE-2009-4490 — Medium (CVSS 5.0): mini_httpd 1.19 writes data to a log file without sanitizing non-printable characters, which might allow remote…
- CVE-2001-0893 — Medium (CVSS 5.0): Acme mini_httpd before 1.16 allows remote attackers to view sensitive files under the document root (such as .htpasswd)…
All CVEs affecting Acme Mini Httpd →
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- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.