CISA KEV · Known exploitedMedium

CVE-2013-1675

Mozilla 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.

CVSS: 6.5
EPSS: 6.70%
CISA KEV: Listed
Published: 2013.05.16

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability6.70%

Technical severityCVSS 6.5

Vulnerability overview

Affected product and versions

Product: Mozilla Firefox
Affected versions: < 21.0, >= 17.0 < 17.0.6, < 17.0.6, 12.04, 12.10, 13.04, 7.0, 2.1, 5.0, 6.0, 5.9, 6.4, 5.0 s390x, 6.0 s390x, 5.9 s390x, 6.4 s390x, 5.0 ppc, 6.0 ppc64, 5.9 ppc
Fixed versions: 21.0, 17.0.6

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.03.24

1
Identify
Confirm that Mozilla Firefox and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE: CWE-119, CWE-665
KEV added: 2022.03.03
Ransomware use: 미확인