CVE-2023-49102Public exploitNetwork attack vector

Authenticated remote code execution via unarchive command override

Published Nov 22, 2023 · Updated Aug 2, 2024

Remote code execution in NZBGet 21.1 allows remote authenticated users with Control capability to execute uploaded files. The 7za and unrar extraction paths preserve executable permissions, while SevenZipCommand and UnrarCmd accept and later execute an extracted payload path. Control-level access and a downloaded archive are required; a subsequent unpack job runs the payload as the NZBGet service account.

CVSS severity8.8
High
EPSS probability1.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in NZBGet 21.1 allows remote authenticated users with Control capability to execute uploaded files. The 7za and unrar extraction paths preserve executable permissions, while SevenZipCommand and UnrarCmd accept and later execute an extracted payload path. Control-level access and a downloaded archive are required; a subsequent unpack job runs the payload as the NZBGet service account.

The record

CVE
CVE-2023-49102
Published
Nov 22, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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 vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1059.004Command and Scripting Interpreter: Unix Shell

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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