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Axis Os CVE-2023-21415

HIGH
Path Traversal: '.../...//' (CWE-35)
2023-10-16 product-security@axis.com
Path Traversal Axis Os Axis Os 2022 Axis Axis Os 2016 Axis Os 2018 Axis Os 2020
8.1
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-35
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path traversal prevention
Impact

CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

Sandro Poppi, member of the AXIS OS Bug Bounty Program, has found that the VAPIX API overlay_del.cgi is vulnerable to path traversal attacks that allows for file deletion. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-35. Sandro Poppi, member of the AXIS OS Bug Bounty Program, has found that the VAPIX API overlay_del.cgi is vulnerable to path traversal attacks that allows for file deletion. This flaw can only be exploited after authenticating with an operator- or administrator-privileged service account. Axis has released patched AXIS OS versions for the highlighted flaw. Please refer to the Axis security advisory for more information and solution. Affected products include: Axis Axis Os, Axis Axis Os 2016, Axis Axis Os 2018, Axis Axis Os 2020, Axis Axis Os 2022.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 8.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

DescriptionNVD

Sandro Poppi, member of the AXIS OS Bug Bounty Program, has found that the VAPIX API overlay_del.cgi is vulnerable to path traversal attacks that allows for file deletion. This flaw can only be exploited after authenticating with an operator- or administrator-privileged service account. Axis has released patched AXIS OS versions for the highlighted flaw. Please refer to the Axis security advisory for more information and solution.

Threat Intelligence Overview

EPSS Score
0.6%
Top 56% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +40
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)NVD

cpe:2.3:o:axis:axis_os:*:*:*:*:-:*:*:*
cpe:2.3:o:axis:axis_os:*:*:*:*:active:*:*:*
cpe:2.3:o:axis:axis_os_2016:*:*:*:*:lts:*:*:*
cpe:2.3:o:axis:axis_os_2018:*:*:*:*:lts:*:*:*
cpe:2.3:o:axis:axis_os_2020:*:*:*:*:lts:*:*:*
cpe:2.3:o:axis:axis_os_2022:*:*:*:*:lts:*:*:*

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Same weakness CWE-35 – Path Traversal: '.../...//'

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CVE-2025-8088 HIGH POC
8.4
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CVE-2018-3744 CRITICAL POC
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CVE-2024-36991 HIGH POC
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CVE-2026-6074 CRITICAL
9.3
CVE-2026-59115 CRITICAL
9.9
CVE-2026-69109 HIGH
8.7
CVE-2024-45190 MEDIUM POC
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Same technique Path Traversal

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CVE-2019-19781 CRITICAL POC
9.8
CVE-2021-21972 CRITICAL POC
9.8
CVE-2021-40444 HIGH POC
8.8
CVE-2022-41352 CRITICAL POC
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CVE-2021-27065 HIGH POC
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CVE-2018-20250 HIGH POC
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CVE-2022-37042 CRITICAL POC
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CVE-2025-64446 CRITICAL POC
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References

Advisories & patches
ADVISORY https://www.axis.com/dam/public/b6/55/e2/cve-2023-21415pdf-en-US-416245.pdf

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