Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2013-1675

Firefox

Mozilla / Firefox

Watch CVE-2013-1675 Browse KEV feed
Severity
CVSS 6.5 · Medium
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
6.7%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2013-1675 is an unauthenticated vulnerability affecting Mozilla Firefox and 3 other products. Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV.

Who is affected?

Mozilla / Firefox.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Firefox

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.

View vendor advisory (opens in new tab)
Published
16 May 2013
Exploitation Reported
03 Mar 2022
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
Required

Tags

cisa

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2013-1675
  • DSA-2699 debian.org · Vendor Advisory http://www.debian.org/security/2013/dsa-2699
  • MDVSA-2013:165 mandriva.com · Vendor Advisory http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
  • openSUSE-SU-2013:0825 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010...
  • USN-1823-1 ubuntu.com · Vendor Advisory http://www.ubuntu.com/usn/USN-1823-1
  • RHSA-2013:0821 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2013-0821.html
  • openSUSE-SU-2013:0929 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006...
  • openSUSE-SU-2013:0831 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011...
  • RHSA-2013:0820 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2013-0820.html
  • openSUSE-SU-2013:0834 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012...
  • openSUSE-SU-2013:0946 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008...
  • USN-1822-1 ubuntu.com · Vendor Advisory http://www.ubuntu.com/usn/USN-1822-1
  • oval:org.mitre.oval:def:16976 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
  • 59858 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/59858
  • bugzilla.mozilla.org/show_bug.cgi bugzilla.mozilla.org · CVE Record https://bugzilla.mozilla.org/show_bug.cgi?id=866825
  • mozilla.org/security/announce/2013/mfsa2013-47.html mozilla.org · CVE Record http://www.mozilla.org/security/announce/2013/mfsa2013-47.html

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 03 Mar 2022

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CISA First 2022-03-03 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

6.7%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Initialization CWE-665

All CVSS Scores

CVSS v3.1 6.5 Medium

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

CVSS v2.0 4.3 Medium

AV:N/AC:M/Au:N/C:P/I:N/A:N

Timeline

From disclosure to observed exploitation

  1. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. 10:00 UTC

    CVE published

    Vulnerability disclosed publicly

  3. 00:00 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2013-1675

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2013-1675",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.06696,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}