Is CVE-2013-3667 being actively exploited?

CVE-2013-3667 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-3667?

CVE-2013-3667 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2013-3667

MEDIUM · CVSS 6.4EPSS 1.8%EU EUVD

The software update mechanism as used in Bare Bones Software Yojimbo before 4.0, TextWrangler before 4.5.3, and BBEdit before 10.5.5 does not properly download and verify updates before installation, which allows attackers to perform "tampering or corruption" of the updates.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:P
Weakness (CWE): CWE-20
EPSS score: 1.8% (79th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-3600)
Published: December 31, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3600 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / bbedit
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / textwrangler
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo
barebones / yojimbo

References

http://www.barebones.com/support/bbedit/arch_bbedit1055.html(Vendor Advisory)
http://www.barebones.com/support/textwrangler/notes_tw453.html(Vendor Advisory)
http://www.barebones.com/support/yojimbo/arch_yojimbo40.html(Vendor Advisory)
https://groups.google.com/forum/#%21msg/bbedit/BjvyUKCM4Gk/ZT_v03QqPqgJ

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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