EmbedThis GoAhead 3.0.0 through 3.4.1 does not properly handle path segments starting with a .
EmbedThis GoAhead 3.0.0 through 3.4.1 does not properly handle path segments starting with a . (dot), which allows remote attackers to conduct directory traversal attacks, cause a denial of service (heap-based buffer overflow and crash), or possibly execute arbitrary code via a crafted URI.
- Published
- Mar 31, 2015
- Updated
- Jun 16, 2026
- EPSS
- 28.2% · 98th percentile
- CWE
- CWE-17
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Report tools
Action score
38
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 8 / 30 · 28.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| embedthis | goahead | cpe:2.3:a:embedthis:goahead |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- embedthis goahead3.0.0
- embedthis goahead3.3.1
- embedthis goahead3.3.2
- embedthis goahead3.3.3
- embedthis goahead3.3.4
- embedthis goahead3.3.5
- embedthis goahead3.3.6
- embedthis goahead3.4.0
Same product
embedthis: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-17562Embedthis GoAhead before 3.6.5 allows remote code execution if CGI is enabled and a CGI program is dynamically linked.KEV91Now
- CVE-2019-5096An exploitable code execution vulnerability exists in the processing of multi-part/form-data requests within the base GoAhead web server app59Plan
- CVE-2021-42342An issue was discovered in GoAhead 4.x and 5.x before 5.1.5.57Plan
- CVE-2017-5674A vulnerability in a custom-built GoAhead web server used on Foscam, Vstarcam, and multiple white-label IP camera models allows an attacker 45Plan
- CVE-2019-5097A denial-of-service vulnerability exists in the processing of multi-part/form-data requests in the base GoAhead web server application in ve44Plan
- CVE-2017-1000471EmbedThis GoAhead Webserver version 4.0.0 is vulnerable to a NULL pointer dereference in the CGI handler resulting in memory corruption or d42Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Metasploit module | auxiliary/scanner/http/goahead_traversalEmbedthis GoAhead Embedded Web Server Directory Traversalauxiliary | — |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-17 · DEPRECATED: CodeCVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/archive/1/535027/100/0/threaded
- www.securitytracker.com/id/1032208
- github.com/embedthis/goahead/commit/eed4a7d177bf94a54c7b06ccce88507fbd76fb77
- github.com/embedthis/goahead/issues/106
Vendor advisories and official records. Exploit/PoC links are deliberately left out.