vciy

CVE-2019-7304

INDEX BUILT · 2026-09-20

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Local privilege escalation via snapd socket

CVE-2019-73044 of 4 sources documented this
56

rank 56 = 24 + 25 + 1 + 6 + 0

rank@v1 · this cycle

Someone is already using it

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

EPSS 0.60813  ·  without this subject the record ranks 32

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 9.8, from NVD  ·  without this subject the record ranks 31

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2026-08-12  ·  without this subject the record ranks 55

How much of the world it touches

NVD CPE configurations

5 products in the CPE ranges  ·  without this subject the record ranks 50

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 56

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$3.03Mover the next 30 days, if this record is yours
Movement+$2.06Mon 2025-11-21, the last material move, 9 months before this reading
Basisassumeda published average, not your estate

$3.03M = $4.99M incident cost x 1 exposure x 0.60813 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

0.60813EPSSNOT IN KEVas of 2026-09-20
Severity8.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationpublic proof-of-conceptreceipt
Defensefix version namedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2026-06-15, 74 days at 0.61, as of 2026-08-28. arc-rules@v1

Foresight · where to check next

Ubuntu linuxpolkitAtlassianQualcomm, Inc.Adobe Experience7304

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Sources disagree here.

Severity score
Canonical8.8 HIGHreceipt
NVD9.8 CRITICALreceipt
Scoring standard
CanonicalCVSS v3.0receipt
NVDCVSS v3.1receipt
What it costs
CanonicalComplete confidentiality, integrity and availability loss, with impact beyond the vulnerable componentreceipt
NVDComplete confidentiality, integrity and availability lossreceipt

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

Running Canonical snapd? 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.

Reachneeds local access · low privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability loss, with impact beyond the vulnerable componentreceipt
Scored fromCVSS v3.0 · the CNA's vectorreceipt
Weakness classCWE-863 Incorrect Authorizationreceipt
Published consequencesCWE-863: Confidentiality: Read Application Data, Read Files or Directories; Integrity: Modify Application Data, 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.

Fixed in2.37.1receipt
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, 2019-02-12.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 5 public repositories2019-02-12receipt
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA8.8 HIGHreceipt
CVSS, NVD9.8 CRITICALreceipt
Exploit probability0.60813 · top 0.89% of all CVEsreceipt
Blast breadth2 products across 1 vendorderived
Assigned bycanonicalreceipt
Recorded changes54 · last 18 Sep 2026derived

Affected & Fixed Versions as published

Affected productCanonical snapdreceipt
Published rangescanonical snapd < 2.37.1; canonical ubuntu linux 14.04; canonical ubuntu linux 16.04; canonical ubuntu linux 18.04receipt
Show all 5 published ranges
canonical snapd < 2.37.1
canonical ubuntu linux 14.04
canonical ubuntu linux 16.04
canonical ubuntu linux 18.04
canonical ubuntu linux 18.10
Fixed in2.37.1receipt

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

Canonical snapd before version 2.37.1 incorrectly performed socket owner validation, allowing an attacker to run arbitrary commands as root. This issue affects: Canonical snapd versions prior to 2.37.1. receipt

NVD's analysis a second authority

severity
9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-863
affected versions
canonical snapd < 2.37.1; canonical ubuntu linux 14.04; canonical ubuntu linux 16.04; and 2 more, listed in full below

The CNA scored it 8.8 and NVD 9.8. Both are shown because both were published; we do not pick one.

check it yourself usn.ubuntu.com exploit-db.com exploit-db.com receipt

Dated events

2022-02-04EPSS moved 0.04 to 0.292025-03-17EPSS moved 0.05 to 0.852026-06-15EPSS moved 0.85 to 0.61

Movement the material steps

14 Apr 20210.0363
4 Feb 20220.29468 · crossed 0.10
7 Mar 20230.37628 · scoring model v2023.03.01
8 Feb 20240.24394
23 May 20240.12796
17 Dec 20240.05019 · crossed 0.10
17 Mar 20250.85164 · crossed 0.10 and 0.50 · scoring model v2025.03.14
18 Nov 20250.4132 · crossed 0.50
21 Nov 20250.82702 · crossed 0.50
15 Jun 20260.61075 · scoring model v2026.06.15
28 Aug 20260.60813

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 51 observations
14 Apr 20210.0363
4 Feb 20220.29468
7 Mar 20230.37628
18 Jun 20230.36782
19 Dec 20230.30928
8 Feb 20240.24394
24 Feb 20240.20999
12 Mar 20240.22642
31 Mar 20240.17047
23 May 20240.12796
5 Jul 20240.10256
17 Dec 20240.05019
5 Feb 20250.04258
2 Mar 20250.04821
17 Mar 20250.85164
19 Mar 20250.85547
20 Mar 20250.84983
27 Mar 20250.85373
28 Mar 20250.84228
29 Mar 20250.85373
30 Mar 20250.84228
23 Apr 20250.8345
11 May 20250.84464
19 Jun 20250.84655
2 Jul 20250.84464
26 Jul 20250.8345
29 Jul 20250.82216
5 Aug 20250.83338
13 Aug 20250.82216
1 Oct 20250.82881
11 Oct 20250.84051
27 Oct 20250.8345
28 Oct 20250.84051
8 Nov 20250.82881
18 Nov 20250.4132
21 Nov 20250.82702
29 Nov 20250.82956
27 Dec 20250.82295
28 Dec 20250.82956
3 Jan 20260.82702
27 Jan 20260.82956
6 Feb 20260.828
7 Apr 20260.82542
25 Apr 20260.8355
25 May 20260.84555
15 Jun 20260.61075
17 Jul 20260.57478
30 Jul 20260.59169
12 Aug 20260.62684
20 Aug 20260.61075
28 Aug 20260.60813

51 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 0.60813Public PoC2019-02-12Published2019-04-23Index as of2026-08-28

Exploit probability more than doubled between 2025-11-18 and 2025-11-21 (0.4132 → 0.82702) and the record had been public for 7 years, 4 months when this index was last written.

Public PoC 2019-02-12 receipt · Published 2019-04-23 receipt · Index as of 2026-08-28 derived

The pattern, elsewhere

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2021-3493 · Ubuntu linux kernelmatches 8 of 9KEV listed · 2021receipt
CVE-2021-3560 · polkitmatches 7 of 9KEV listed · 2022receipt
CVE-2023-22518 · Atlassian Confluence Data Centermatches 6 of 9KEV listed · 2023receipt
CVE-2025-21479 · Qualcomm, Inc. Snapdragonmatches 6 of 9KEV listed · 2025receipt
CVE-2025-21480 · Qualcomm, Inc. Snapdragonmatches 6 of 9KEV listed · 2025receipt
CVE-2025-54253 · Adobe Experience Managermatches 6 of 9KEV listed · 2025receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

4015 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

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