AsyncSSH up to 2.14.0 Terrapin data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in AsyncSSH up to 2.14.0. Affected is an unknown function. The manipulation results in data authenticity. This vulnerability is cataloged as CVE-2023-46445. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in AsyncSSH up to 2.14.0. It has been classified as critical. Affected is an unknown code block. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on integrity. CVE summarizes:

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."

The weakness was shared 11/09/2023. The advisory is available at github.com. This vulnerability is traded as CVE-2023-46445 since 10/23/2023. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 207872 (Debian dla-3899 : python-asyncssh-doc - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.14.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207872). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

ADP CISA Base Score: 5.9
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 207872
Nessus Name: Debian dla-3899 : python-asyncssh-doc - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AsyncSSH 2.14.1

Timelineinfo

10/23/2023 🔍
11/09/2023 +17 days 🔍
11/09/2023 +0 days 🔍
02/26/2026 +840 days 🔍

Sourcesinfo

Advisory: GHSA-cfc2-wr2v-gxm5
Status: Confirmed

CVE: CVE-2023-46445 (🔍)
GCVE (CVE): GCVE-0-2023-46445
GCVE (VulDB): GCVE-100-244914

Entryinfo

Created: 11/09/2023 20:54
Updated: 02/26/2026 08:40
Changes: 11/09/2023 20:54 (36), 12/05/2023 19:24 (2), 12/05/2023 19:32 (12), 12/18/2023 19:32 (2), 09/28/2024 04:44 (17), 02/26/2026 08:40 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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