CVE-2023-46445
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current Description
An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."
View Analysis Description
Analysis
Description
An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 Severity and Vector Strings:
Base
Score:
NVD assessment
not yet provided.
References to Advisories, Solutions, and Tools
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Change History
12 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 2:30:53 AM
| Action |
Type |
Old Value |
New Value |
| Added |
SSVC |
{"timestamp":"2023-12-22T05:01:06.309819Z","id":"CVE-2023-46445","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
|
CVE Modified by MITRE
6/17/2026 2:30:53 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
|
CVE Modified by CISA-ADP
2/25/2026 1:18:07 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
|
| Added |
CWE |
CWE-345
|
CVE Modified by CVE
11/03/2025 5:16:28 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html
|
CVE Modified by CVE
11/21/2024 3:28:31 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
|
| Added |
Reference |
https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
|
| Added |
Reference |
https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
|
| Added |
Reference |
https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
|
| Added |
Reference |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/
|
| Added |
Reference |
https://security.netapp.com/advisory/ntap-20231222-0001/
|
| Added |
Reference |
https://www.terrapin-attack.com
|
CVE Modified by MITRE
5/14/2024 9:53:41 AM
| Action |
Type |
Old Value |
New Value |
CVE Modified by MITRE
12/22/2023 3:15:07 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
MITRE https://security.netapp.com/advisory/ntap-20231222-0001/ [No types assigned]
|
CVE Modified by MITRE
12/21/2023 9:15:08 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
MITRE http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html [No types assigned]
|
CVE Modified by MITRE
12/18/2023 11:15:09 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.
|
An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."
|
| Added |
Reference |
MITRE https://github.com/advisories/GHSA-cfc2-wr2v-gxm5 [No types assigned]
|
| Added |
Reference |
MITRE https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst [No types assigned]
|
| Added |
Reference |
MITRE https://www.terrapin-attack.com [No types assigned]
|
CVE Modified by MITRE
11/25/2023 10:15:42 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/ [No types assigned]
|
Initial Analysis by NIST
11/17/2023 11:05:45 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
|
| Added |
CWE |
NIST CWE-345
|
| Added |
CPE Configuration |
OR
*cpe:2.3:a:asyncssh_project:asyncssh:*:*:*:*:*:*:*:* versions up to (excluding) 2.14.1
|
| Changed |
Reference Type |
https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5 No Types Assigned
|
https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5 Third Party Advisory
|
New CVE Received from MITRE
11/13/2023 10:15:09 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Description |
An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.
|
| Added |
Reference |
MITRE https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5 [No types assigned]
|
Quick Info
CVE Dictionary Entry: CVE-2023-46445 NVD
Published Date: 11/13/2023 NVD
Last Modified: 06/17/2026
Source: MITRE
|
