THREATPORT/VULNERABILITY/CVE-2020-9283
HIGH SEVERITY

CVE-2020-9283

Package Ssh vulnerability

CVSS
7.5
EPSS
21.1%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Golang
Affected product
Package Ssh
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-347 — Improper Verification of Cryptographic Signature
Published
2020-02-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 21.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-9283

  • Confirm whether Golang Package Ssh is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-9283.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-9283

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-9283 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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