7.5

CVE-2020-9283: debian debian_linux

Modified
AliasesRHBA-2020:3179UBUNTU-CVE-2020-9283DEBIAN-CVE-2020-9283
Published 20-02-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-9283 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 21.05% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (exploit-database, 24-02-2020)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
21.05%
0%100%
High · +0.16 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DLA-2402-1DLA-3455-1RHSA-2020:2413RHSA-2020:3369CGA-69XX-589X-989VCGA-QVJ2-WPRQ-PWFH

Timeline

  1. 20-02-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

8 scores · 7 sources · 2 versions

EPSS trend

Probability

21.05%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

Increase +0.16 pp

From 20.89% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasedoslinuxUnverified

    Go SSH servers 0.0.2 - Denial of Service (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard4 products
  • dex-k8s-authenticatorAll versions (No fix recorded)
  • k3d< 5.6.0-r11
  • k3d-proxy< 5.6.0-r11
  • k3d-tools< 5.6.0-r11
Debian4 products
  • golang-go.crypto< 1:0.0~git20200221.2aa609c-1
  • packer< 0.10.2+dfsg-6+deb9u1
  • restic< 0.3.3-1+deb9u1
  • debian_linuxEOL9.0
Wolfi3 products
  • k3d< 5.6.0-r11
  • k3d-proxy< 5.6.0-r11
  • k3d-tools< 5.6.0-r11
Redhat2 products
  • openshift-clients< 0:4.3.31-202007250052.p0.git.3329.59998b9.el7 | < 0:4.3.31-202007250052.p0.git.3329.59998b9.el8
  • openshift-clients-redistributable< 0:4.3.31-202007250052.p0.git.3329.59998b9.el7 | < 0:4.3.31-202007250052.p0.git.3329.59998b9.el8
Ubuntu2 products
  • golang-go.cryptoAll versions (No fix recorded)
  • mongo-toolsAll versions (No fix recorded)
Golang1 product
Golang.org/x1 product
  • crypto< 0.0.0-20200220183623-bac4c82f6975

7 vendors · 17 products

References

23 links
Show all 23 references