SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-9283

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.

EXPLOITHIGH 7.5EPSS 20.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 20.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
20.89% probability · 98th percentile
Public exploits
1 in Exploit-DB · first 24 February 2020
CISA KEV
Not listed
Weakness
CWE-347
Affected
golang/package ssh · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%13%25%26 October 2026: 20.89%26 October 202626 October 2026

EPSS 20.9% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-48121source ↗Go SSH servers 0.0.2 - Denial of Service (PoC)linux · Mark Adamsdos24 February 2020no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.