HOMEVULNERABILITIESCVE-2024-36702
HIGH

CVE-2024-36702

CWE-787Published: June 11, 2024· Updated: Jul 9, 2026

7.4
CVSS v3.1

Official Description

libiec61850 v1.5 was discovered to contain a heap overflow via the BerEncoder_encodeLength function at /asn1/ber_encoder.c.

NVD Source

Technical Analysis

CVE-2024-36702 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.4.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

mz-automation1 product(s)
libiec61850
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

→
https://github.com/mz-automation/libiec61850Product
→
https://github.com/mz-automation/libiec61850/issues/505Exploit · Issue Tracking
→
https://github.com/mz-automation/libiec61850Product
→
https://github.com/mz-automation/libiec61850/issues/505Exploit · Issue Tracking

Quick Facts

CVE IDCVE-2024-36702
CVSS Score7.4 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedJun 11, 2024

Related CVEs (CWE-787)

CVE-2019-5049
10.0
CVE-2026-42369
10.0
CVE-2018-3991
10.0
CVE-2019-5684
10.0
CVE-2026-4746
10.0
CVE-2004-0978
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-36702 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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