vciy

CVE-2023-39351

INDEX BUILT · 2026-09-20

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FreeRDP Null Pointer Dereference leading denial of service

CVE-2023-393514 of 4 sources documented this
25

rank 25 = 0 + 19 + 0 + 6 + 0

rank@v1 · scheduled

Someone is already using it

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

EPSS 0.01564  ·  without this subject the record ranks 25

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.5, from NVD  ·  without this subject the record ranks 6

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 25

How much of the world it touches

NVD CPE configurations

6 products in the CPE ranges  ·  without this subject the record ranks 19

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 25

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$18,800over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$18,800 = $4.99M incident cost x 0.24048551839932833 exposure x 0.01564 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.01564EPSSNOT IN KEVas of 2026-09-20
Severity5.3 MEDIUMreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2023-09-01, 1096 days at 0.02, as of 2026-09-01. 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

Sources disagree here.

Severity score
GitHub_M5.3 MEDIUMreceipt
NVD7.5 HIGHreceipt
What it costs
GitHub_MPartial availability lossreceipt
NVDComplete availability lossreceipt

Both shown, dated. We don't pick winners. disagreement-rules@v1

Running FreeRDP? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactPartial availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-476 NULL Pointer Dereferencereceipt
Published consequencesCWE-476: Availability: DoS: Crash, Exit, or Restart; Integrity, Confidentiality: Execute Unauthorized Code or Commands, Read Memory, Modify Memory[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 branchfreerdp 2.11.0receipt
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: Nothing observed in held sources.

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

Authority who says so

CVSS, the CNA5.3 MEDIUMreceipt
CVSS, NVD7.5 HIGHreceipt
Exploit probability0.01564 · top 26% of all CVEsreceipt
Blast breadth3 products across 3 vendorsderived
Assigned byGitHub_Mreceipt
Recorded changes23 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productFreeRDPreceipt
Published rangesfreerdp < 2.11.0; freerdp 3.0.0; debian linux 10.0; fedoraproject fedora 37receipt
Show all 6 published ranges
freerdp < 2.11.0
freerdp 3.0.0
debian linux 10.0
fedoraproject fedora 37
fedoraproject fedora 38
fedoraproject fedora 39

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

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the `rfx_process_message_tileset` function, the program allocates tiles using `rfx_allocate_tiles` for the number of numTiles. If the initialization process of tiles is not completed for various reasons, tiles will have a NULL pointer. Which may be accessed in further processing and would cause a program crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability. receipt

NVD's analysis a second authority

severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
weakness
CWE-476
affected versions
freerdp < 2.11.0; freerdp 3.0.0; debian linux 10.0; and 3 more, listed in full below
also scored by
[email protected] 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

The CNA scored it 5.3 and NVD 7.5. Both are shown because both were published; we do not pick one.

check it yourself github.com lists.fedoraproject.org lists.fedoraproject.org lists.fedoraproject.org lists.debian.org security.gentoo.org receipt

Movement the material steps

1 Sep 20230.00043
17 Mar 20250.01794 · scoring model v2025.03.14
15 Jun 20260.01321 · scoring model v2026.06.15
1 Sep 20260.01564
Show all 23 observations
1 Sep 20230.00043
7 Sep 20230.00046
22 Sep 20230.00056
19 Oct 20230.00049
17 Jan 20240.00072
31 Jul 20240.00087
6 Sep 20240.00177
2 Oct 20240.00213
5 Dec 20240.00250
17 Dec 20240.00397
10 Feb 20250.00530
17 Mar 20250.01794
29 Mar 20250.03463
30 Mar 20250.01794
15 Apr 20250.00108
18 Jun 20250.00163
14 Jul 20250.00108
15 Jul 20250.00099
18 Nov 20250.01794
21 Nov 20250.00099
26 Mar 20260.0015
15 Jun 20260.01321
1 Sep 20260.01564

23 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 0.01564Published2023-08-31Index as of2026-09-01

The record had been public for 3 years when this index was last written.

Published 2023-08-31 receipt · Index as of 2026-09-01 derived

Siblings and hubs

Records related to this one

Its defect family

freerdp

Of the 5 records in this family that state one, this holds the highest EPSS percentile: 0.7359.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

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What usually comes next

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