CVE-2020-10814Public exploit

IDE crash via oversized object_output project value

Published Apr 8, 2020 · Updated Aug 4, 2024

A buffer overflow in Code::Blocks 17.12 allows context-dependent attackers to crash the IDE through a crafted project file. The project loader accepts an object_output setting containing roughly 6,000 characters, and the overflow manifests when Build and Run processes that value. A user must open the modified .cbp file and invoke Build and Run; the public reproduction demonstrates a crash, while the CVE record additionally asserts arbitrary code execution.

CVSS severity5.5
Medium
EPSS probability1.99%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A buffer overflow in Code::Blocks 17.12 allows context-dependent attackers to crash the IDE through a crafted project file. The project loader accepts an object_output setting containing roughly 6,000 characters, and the overflow manifests when Build and Run processes that value. A user must open the modified .cbp file and invoke Build and Run; the public reproduction demonstrates a crash, while the CVE record additionally asserts arbitrary code execution.

The record

CVE
CVE-2020-10814
Published
Apr 8, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-120, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 8, 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 privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P

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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1204.002Malicious File

Public exploit references

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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