High severity · published Jul 23, 2020
CVE-2020-15688
The HTTP Digest Authentication in the GoAhead web server before 5.1.2 does not completely protect against replay attacks
8.8
CVSS
4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.0% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
Goahead · Embedthis
before 5.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15688
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15688
Exploit
http://packetstormsecurity.com/files/159505/EmbedThis-GoAhead-Web-Server-5.1.1-Digest-Authentication-Capture-Replay-Nonce-Reuse.html
Third Party Advisory
https://github.com/embedthis/goahead-gpl/issues/3
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