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NVD / CVE Program· CNA checkpoint

CVE-2020-6021: Check Point Endpoint Security Client for Windows before version E84.20 allows write access to the directory from which the installation…

HighCVSS 7.8 · v3.1—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 31/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.30% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Check Point Endpoint Security Client for Windows before version E84.20 allows write access to the directory from which the installation repair takes place. Since the MS Installer allows regular users to run the repair, an attacker can initiate the installation repair and place a specially crafted DLL in the repair folder which will run with the Endpoint client’s privileges.

Published
Dec 3, 2020
Updated
Jun 16, 2026
EPSS
0.3% · 23th percentile

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

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When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
checkpointendpoint security

Versions reported by the vendor

Affected version ranges reported by the assigning authority (checkpoint). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Check Point Endpoint Security Client for Windows

    • before version E84.20affected

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • checkpoint endpoint securitybefore e84.20

Same product

checkpoint: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-28133Local privilege escalation in Check Point Endpoint Security Client (version E87.30) via crafted OpenSSL configuration file
    33Monitor
  • CVE-2022-23742Check Point Endpoint Security Client for Windows versions earlier than E86.40 copy files for forensics reports from a directory with low…
    32Monitor
  • CVE-2023-28134Local Privliege Escalation in Check Point Endpoint Security Remediation Service
    31Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2020-6014Nov 2, 2020 · Check Point Endpoint Security Client for Windows, with Anti-Bot or Threat Emulation blades installed, before version E83.20, tries to load…
    26Monitor
  • ← EarlierCVE-2020-6015Nov 5, 2020 · Check Point Endpoint Security for Windows before E84.10 can reach denial of service during clean install of the client which will prevent…
    22Monitor
  • Later →CVE-2021-30360Jan 10, 2022 · Users have access to the directory where the installation repair occurs.
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-427 · Uncontrolled Search Path Element

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records