CVE Tools
Sign in

CVE-2020-9283

Published: Feb 20, 2020Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-347
NVD MITRE
7.5CVSSHIGH
EPSS Score
20.9%
Top 2.8%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-347

Affected Products

n/an/a
package sshgolangOSS Libraries
debian linuxdebian
On-premOS
Operating Systems / linux-distro
golang.org/x/cryptoGoOSS Libraries
golangoss-projectUSOSS Libraries
debianoss-projectGBOperating Systemsaka debian gnu/linux
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY
groups.google.com
http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html
packetstormsecurity.com
https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html
lists.debian.org
and 12 more references View all →

Timeline

Published
Feb 20, 2020
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2020-9283 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows