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CVE Record

CVE-2023-31493: RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log f...

RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file in language folder, while executing a crafted payload and escalate privileges allowing execution of any commands on the remote system.

MediumCVSS 6.6Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

ZoneMinder deployments through 1.36.33 are reported vulnerable to command execution after a low-privileged local attacker creates a PHP log file in a language directory. Business impact is serious for affected systems, but urgency is moderated by the local access and privilege requirements.

Executive priority

Treat as a targeted-risk issue. Prioritize systems with shared local access, weak administrative separation, or sensitive video data, and confirm vendor remediation before normal maintenance cycles.

Technical view

The CVE describes CWE-94 code injection in ZoneMinder through 1.36.33. The reported path involves attacker-controlled PHP log content in a language folder, leading to command execution and possible privilege escalation. CVSS 3.1 is 6.6 with AV:L/PR:L/UI:N and high confidentiality impact.

Likely exposure

Exposure appears limited to ZoneMinder installations through 1.36.33. The CVE affected-product metadata is incomplete, so confirm deployed versions directly rather than relying on CPE matching alone.

Exploitation context

The source bundle does not show CISA KEV listing or other cited evidence of active exploitation. Exploitation requires local access and low privileges, which lowers internet-wide risk but matters on shared, compromised, or poorly segmented systems.

Researcher notes

Evidence is thin: the CVE record includes description, CVSS, CWE-94, and one public write-up reference, but affected metadata is marked n/a. Avoid assuming remote exploitability or a fixed version not named in the provided sources.

Mitigation direction

  • Inventory ZoneMinder instances and identify versions through 1.36.33.
  • Check ZoneMinder vendor guidance for the fixed release or official mitigation.
  • Restrict local shell and application access to trusted administrators only.
  • Review file permissions on ZoneMinder language and logging paths.
  • Monitor affected hosts for unexpected PHP files in application directories.

Validation and detection

  • Confirm each ZoneMinder server version from package or application records.
  • Verify whether low-privileged users can write to language or log directories.
  • Check for unexpected PHP files in ZoneMinder language folders.
  • Review recent host logs for suspicious command execution by web or service users.
  • Document compensating controls where immediate upgrade is not possible.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-94: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-31493 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.6 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.6CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L1.84.7CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

6.6Medium
CVSS 3.1 vector shape for CVE-2023-31493Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-94 · source CWE mapping

Improper Control of Generation of Code ('Code Injection')

Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.