Vulnerability Details : CVE-2020-15688
Potential exploit
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.
Products affected by CVE-2020-15688
- cpe:2.3:a:embedthis:goahead:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15688
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15688
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-15688
-
A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15688
-
http://packetstormsecurity.com/files/159505/EmbedThis-GoAhead-Web-Server-5.1.1-Digest-Authentication-Capture-Replay-Nonce-Reuse.html
EmbedThis GoAhead Web Server 5.1.1 Digest Authentication Capture Replay Nonce Reuse ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://github.com/embedthis/goahead-gpl/issues/3
Digest Nonce Handling over HTTP · Issue #3 · embedthis/goahead-gpl · GitHubThird Party Advisory
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