vciy

CVE-2013-1675

INDEX BUILT · 2026-09-20

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Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly…

CVE-2013-16753 of 4 sources documented this
72

rank 72 = 40 + 16 + 0 + 10 + 6

rank@v1 · act now

Someone is already using it

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

EPSS 0.06696 · CISA KEV listed  ·  without this subject the record ranks 32

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 6.5, from NVD  ·  without this subject the record ranks 56

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 72

How much of the world it touches

NVD CPE configurations

20 products in the CPE ranges  ·  without this subject the record ranks 62

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 66

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$205,000over the next 30 days, if this record is yours
Movement+$131,000on 2024-12-17, the last material move, 1 year, 8 months before this reading
Basisassumeda published average, not your estate

$205,000 = $4.99M incident cost x 0.6121449559255632 exposure x 0.06696 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

0.06696EPSSKEV · LISTED
Severity6.5 MEDIUMreceipt
Harmpartial impactreceipt
Exploitationin the wild · KEVreceipt
Defenseunaffected versions publishedreceipt
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2022-02-04, 1673 days at 0.07, as of 2026-09-04. arc-rules@v1

Foresight · where to check next

Apple watchOSkernel1675

This record is one instance of CWE-665, improper initialization. The index holds 359 prior instances of this class, 2 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

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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 · user interaction required · low attack complexityreceipt
ImpactComplete confidentiality lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-665 Improper Initializationreceipt
Published consequencesCWE-665: Confidentiality: Read Memory, Read Application Data; Access Control: Bypass Protection Mechanism; Availability: DoS: Crash, Exit, or Restart[email protected]
Ransomware campaign useUnknown to CISAreceipt

CISA KEV & Federal Remediation Deadline from the record and CISA

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

First unaffected version, by branchfirefox 17.0.6; firefox 21.0; thunderbird 17.0.6; thunderbird esr 17.0.6receipt
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.
CISA remediation statusoverdue since 2022-03-24receipt
CISA required actionApply updates per vendor instructions.receipt
Published to CISA KEV3213 daysderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Exploited in the wild · CISA KEV listed, 2022-03-03.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed2022-03-03receipt
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD6.5 MEDIUMreceipt
Exploit probability0.06696 · top 6% of all CVEsreceipt
Blast breadth12 products across 4 vendorsderived
Assigned bymozillareceipt
Recorded changes23 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesMozilla firefox; Mozilla thunderbird; Mozilla thunderbird esr; and 9 morereceipt
Published rangesmozilla firefox < 21.0; mozilla firefox >= 17.0 < 17.0.6; mozilla thunderbird < 17.0.6; mozilla thunderbird esr >= 17.0 < 17.0.6receipt
Show all 20 published ranges
mozilla firefox < 21.0
mozilla firefox >= 17.0 < 17.0.6
mozilla thunderbird < 17.0.6
mozilla thunderbird esr >= 17.0 < 17.0.6
canonical ubuntu linux 12.04
canonical ubuntu linux 12.10
canonical ubuntu linux 13.04
debian linux 7.0
redhat gluster storage server for on-premise 2.1
redhat enterprise linux desktop 5.0
redhat enterprise linux desktop 6.0
redhat enterprise linux eus 5.9
redhat enterprise linux eus 6.4
redhat enterprise linux for ibm z systems 5.0_s390x
redhat enterprise linux for ibm z systems 6.0_s390x
redhat enterprise linux for ibm z systems eus 5.9_s390x
redhat enterprise linux for ibm z systems eus 6.4_s390x
redhat enterprise linux for power big endian 5.0_ppc
redhat enterprise linux for power big endian 6.0_ppc64
redhat enterprise linux for power big endian eus 5.9_ppc

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

Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site. receipt

NVD's analysis a second authority

severity
6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
weakness
CWE-665
affected versions
mozilla firefox < 21.0; mozilla firefox >= 17.0 < 17.0.6; mozilla thunderbird < 17.0.6; and 17 more, listed in full below
also scored by
6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

check it yourself debian.org mandriva.com lists.opensuse.org bugzilla.mozilla.org ubuntu.com rhn.redhat.com +9 morereceipt

Dated events

2022-03-03Added to CISA KEV2022-03-24CISA remediation due2024-07-17EPSS moved 0.00 to 0.062024-12-17EPSS moved 0.06 to 0.102025-03-17EPSS moved 0.10 to 0.02

Movement the material steps

4 Feb 20220.03407
7 Mar 20230.00411 · scoring model v2023.03.01
17 Dec 20240.10450 · crossed 0.10
17 Mar 20250.02078 · crossed 0.10 · scoring model v2025.03.14
15 Jun 20260.06696 · scoring model v2026.06.15
Show all 12 observations
4 Feb 20220.03407
7 Mar 20230.00411
17 Jul 20240.06148
17 Dec 20240.10450
17 Mar 20250.02078
29 Mar 20250.0454
30 Mar 20250.02078
9 Jul 20250.02572
22 Oct 20250.03453
17 Nov 20250.04742
23 Apr 20260.07945
15 Jun 20260.06696

12 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 0.06696Published2013-05-16CISA KEV2022-03-03Index as of2026-09-04

Listed by CISA 3213 days after it published and the record had been public for 13 years, 3 months when this index was last written.

No material movement in 81 days as of the last ingest this index recorded.

Published 2013-05-16 receipt · CISA KEV 2022-03-03 receipt · Index as of 2026-09-04 derived

The pattern, elsewhere

This record is one instance of CWE-665, improper initialization. The index holds 359 prior instances of this class, 2 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2020-27950 · Apple watchOSmatches 7 of 8KEV listed · 2020receipt
CVE-2022-0847 · kernelmatches 3 of 8KEV listed · 2022receipt

"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

359 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

Records related to this one

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These are index-wide views, not findings about CVE-2013-1675.

What usually comes next

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