CVE-2024-0778Known exploitationPublic exploit

Authenticated command execution via unfiltered NAT parameters

Published Jan 22, 2024 · Updated May 30, 2025

OS command injection in Uniview ISC 2500-S firmware 20210930 and earlier allows remote authenticated users to execute arbitrary commands. The setNatConfig branch in /Interface/DevManage/VM.php passes natAddress, natPort, and natServerPort directly to exec() without filtering. Access to the adjacent management interface and a low-privileged session are required, after which injected shell commands run on the appliance.

CVSS severity8.0
High
EPSS probability32.09%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Uniview ISC 2500-S firmware 20210930 and earlier allows remote authenticated users to execute arbitrary commands. The setNatConfig branch in /Interface/DevManage/VM.php passes natAddress, natPort, and natServerPort directly to exec() without filtering. Access to the adjacent management interface and a low-privileged session are required, after which injected shell commands run on the appliance.

The record

CVE
CVE-2024-0778
Published
Jan 22, 2024
Updated
May 30, 2025
Vendor
Zhejiang Uniview Technologies Co., Ltd.
Product
ISC 2500-S
Classifications
CWE-78, T1059.004
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 2024Exploitation reportedNetKiller.Condi botnet exploitation of ISC 2500-S
  3. May 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=20210930

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Zhejiang Uniview Technologies Co., Ltd. · ISC 2500-Sversion=20210930

Published CVSS scores

8.0VulDBCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.0VulDBCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.7VulDBAV:A/AC:L/Au:S/C:C/I:C/A: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.

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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)
Vectoradjacent
Privilegesauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

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

Reported exploitation

Technologies

Your stack

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Your stack

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