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CVE-2024-34470

INDEX BUILT · 2026-09-20

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An issue was discovered in HSC Mailinspector 5.2.17-3 through v.5.2.18

CVE-2024-344703 of 4 sources documented this
18

rank 18 = 16 + 0 + 0 + 2 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.06699  ·  without this subject the record ranks 2

What it costs you if it fires

NVD CVSS base score, then the CNA's own

no CVSS held by anyone  ·  without this subject the record ranks 18

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 18

How much of the world it touches

NVD CPE configurations

1 product in the CPE ranges  ·  without this subject the record ranks 16

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 18

Hindsight · the state

0.06699EPSSNOT IN KEVas of 2026-09-20
Severitynot scored
Harmnot stated
Exploitationpublic proof-of-conceptreceipt
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
RISING10Risen from 0.00043 to 0.06699 across 35 observations. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

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ReachNo CVSS vector in held sources, so no reach or impact can be stated.
Weakness classCWE-29 Path Traversal: '\..\filename'receipt
Published consequencesCWE-29: Confidentiality, Integrity: Read Files or Directories, Modify Files or Directories[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchmailinspector 5.2.19receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Proof-of-concept published · 5 public repositories, 2024-05-05.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 5 public repositories2024-05-05receipt
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

Exploit probability0.06699 · top 6% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymitrereceipt
Recorded changes38 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesHsclabs mailinspectorreceipt
Published rangeshsclabs mailinspector >= 5.2.17-3 < 5.2.19receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

An issue was discovered in HSC Mailinspector 5.2.17-3 through v.5.2.18. An Unauthenticated Path Traversal vulnerability exists in the /public/loader.php file. The path parameter does not properly filter whether the file and directory passed are part of the webroot, allowing an attacker to read arbitrary files on the server. receipt

NVD's analysis a second authority

weakness
CWE-29
affected versions
hsclabs mailinspector >= 5.2.17-3 < 5.2.19
also scored by
8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

check it yourself github.com receipt

Dated events

2025-03-17EPSS moved 0.00 to 0.922026-06-15EPSS moved 0.93 to 0.07

Movement the material steps

7 May 20240.00043
17 Mar 20250.92258 · crossed 0.10 and 0.50 and 0.90 · scoring model v2025.03.14
18 Nov 20250.89285 · crossed 0.90
21 Nov 20250.93626 · crossed 0.90
15 Jun 20260.06754 · crossed 0.10 and 0.50 and 0.90 · scoring model v2026.06.15
18 Jun 20260.06699
Show all 35 observations
7 May 20240.00043
31 May 20240.00054
23 Dec 20240.00060
7 Feb 20250.00084
17 Mar 20250.92258
19 Mar 20250.92042
20 Mar 20250.92258
26 Mar 20250.92042
5 Apr 20250.91761
15 Apr 20250.93222
15 May 20250.93287
17 May 20250.93222
14 Jun 20250.93374
15 Jun 20250.93282
18 Jun 20250.93409
15 Jul 20250.93493
16 Jul 20250.92364
29 Jul 20250.92537
3 Aug 20250.92684
26 Aug 20250.92899
4 Sep 20250.93407
25 Sep 20250.93626
18 Nov 20250.89285
21 Nov 20250.93626
7 Dec 20250.93719
10 Dec 20250.93079
8 Jan 20260.9293
11 Jan 20260.92863
17 Jan 20260.92993
16 Mar 20260.9367
13 Apr 20260.93639
10 May 20260.93549
24 May 20260.92783
15 Jun 20260.06754
18 Jun 20260.06699

35 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.06699Public PoC2024-05-05Published2024-05-06Index as of2026-06-18

The record had been public for 2 years, 1 month when this index was last written.

Public PoC 2024-05-05 receipt · Published 2024-05-06 receipt · Index as of 2026-06-18 derived

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