THREATPORT/VULNERABILITY/CVE-2020-29652
HIGH SEVERITY

CVE-2020-29652

Ssh vulnerability

CVSS
7.5
EPSS
3.2%
EPSS pct
87th
Exploited
No known
A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
Affected vendor
Golang
Affected product
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-476 — NULL Pointer Dereference
Published
2020-12-17

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 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2020-29652

  • Confirm whether Golang Ssh is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-29652.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-29652

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-29652 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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