The HTTP Digest Authentication in the GoAhead web server before 5.1.2 does not completely…
Priority MEDIUM 45CWE-294Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-294.
Summary
The HTTP Digest Authentication in the GoAhead web server before 5.1.2 does not completely protect against replay attacks. This allows an unauthenticated remote attacker to bypass authentication via capture-replay if TLS is not used to protect the underlying communication channel.
Why it matters now
EPSS 0.04039 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15688
- 2026-10-03 Alias added: GHSA-6r2c-458p-644h
References
More Embedthis Goahead vulnerabilities
- TI-2017-12833 Embedthis GoAhead before 3.6.5 allows remote code execution if CGI is enabled and a CGI… KEVCVSS 3.1HIGH 8.1
- TI-2019-03557 Use after free in EmbedThis CVSS 3.1CRITICAL 9.8
- TI-2021-18771 An issue was discovered in GoAhead 4.x and 5.x before 5.1.5. CVSS 3.1CRITICAL 9.8
- TI-2017-03674 A vulnerability in a custom-built GoAhead web server used on Foscam, Vstarcam, and… CVSS 3.0CRITICAL 9.8
- TI-2019-03558 Infinite loop in EmbedThis CVSS 3.1HIGH 7.5
- TI-2014-07892 EmbedThis GoAhead 3.0.0 through 3.4.1 does not properly handle path segments starting… CVSS 2.0HIGH 7.5
Sources
- CVE-2020-15688 · CVE Program
- CVE-2020-15688 · NVD
- FIRST EPSS
- GHSA-6r2c-458p-644h · GitHub Advisory Database · CC BY 4.0
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