CVE-2020-1862

Service disruption via double-free memory release

Published Mar 20, 2020 · Updated Aug 4, 2024

Double-free memory corruption in Huawei CampusInsight V100R019C00 and ManageOne 6.5.RC2.B050 allows local users to interrupt a service. Huawei has not published the affected component or the operations that release the same memory allocation twice. Exploitation requires low-privilege local access to an affected product and causes only an unspecified service abnormality.

CVSS severity3.3
Low
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Double-free memory corruption in Huawei CampusInsight V100R019C00 and ManageOne 6.5.RC2.B050 allows local users to interrupt a service. Huawei has not published the affected component or the operations that release the same memory allocation twice. Exploitation requires low-privilege local access to an affected product and causes only an unspecified service abnormality.

The record

CVE
CVE-2020-1862
Published
Mar 20, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 20, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.3HuaweiCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1HuaweiCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:F/RL:O/RC:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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