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ExploitedIn CISA KEVFix available

CVE-2020-0601

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-01-14
  • Fixed in1.13.7 · 1.12.16
  • WeaknessCWE-295

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.

Timeline

dates in UTC
  1. 2020-01-1423:15CVE publishedNVD
  2. 2020-01-15Exploit-DB entryExploit-DB
  3. 2021-11-03Added to the CISA KEV catalogCISA KEV
  4. 2021-11-03Listed as exploited by GCVEGCVE
  5. 2021-11-03Exploitation first reportedCISA KEV
  6. 2025-02-0715:27SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-0601?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-0601?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Goversion to verify
BranchAffectedFixed in
1.13≥ 1.13, < 1.13.71.13.7
1.13≥ 1.13.0, < 1.13.71.13.7
1.13≥ 1.13.0-0, < 1.13.71.13.7
1.12≥ 1.12, < 1.12.161.12.16
1.12≥ 1.12.0, < 1.12.161.12.16
1.12< 1.12.161.12.16
Microsoft windows 10 1507
BranchAffectedFixed in
—all versionsno fix published
Microsoft windows 10 1607
BranchAffectedFixed in
—all versionsno fix published

10 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA10 products

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft Windows
    Affected
    • = 10 Version 1803 for 32-bit Systemsno fix stated
    • = 10 Version 1803 for x64-based Systemsno fix stated
    • = 10 Version 1803 for ARM64-based Systemsno fix stated
    • = 10 Version 1809 for 32-bit Systemsno fix stated
    • = 10 Version 1809 for x64-based Systemsno fix stated
    • = 10 Version 1809 for ARM64-based Systemsno fix stated
    • = 10 Version 1709 for 32-bit Systemsno fix stated
    • = 10 Version 1709 for x64-based Systemsno fix stated

    5 more version lines in the CVE record.

  • Microsoft Windows Server
    Affected
    • = version 1803 (Core Installation)no fix stated
    • = 2019no fix stated
    • = 2019 (Core installation)no fix stated
    • = 2016no fix stated
    • = 2016 (Core installation)no fix stated
  • Microsoft Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Windows 10 Version 1903 for x64-based Systems
  • Microsoft Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Windows Server, version 1903 (Server Core installation)

4 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2020-01-16

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • containerdCleanStartall versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.24all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.23all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.22all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.21all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.20all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.19all versions · fixed in 1.3.3-r0
  • containerdAlpine:v3.18all versions · fixed in 1.3.3-r0

7 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Go to 1.13.7 · 1.12.16
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-47933
Exploit-DB
Proof-of-concept repositories
20 repositories, unverifiednissan-sudo/CVE-2020-06010xxon/cve-2020-0601SherlockSec/CVE-2020-0601JPurrier/CVE-2020-06010xxon/cve-2020-0601-plugin
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Published
2020-01-14
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-82jc-cv6x-r223

Frequently asked questions

What is CVE-2020-0601?

A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.

Is CVE-2020-0601 actively exploited?

Yes. CVE-2020-0601 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2020-0601?

CVE-2020-0601 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

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