HOMEVULNERABILITIESCVE-2023-46321
CRITICAL

CVE-2023-46321

NVD-CWE-noinfoPublished: October 23, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

iTermSessionLauncher.m in iTerm2 before 3.5.0beta12 does not sanitize paths in x-man-page URLs. They may have shell metacharacters for a /usr/bin/man command line.

NVD Source

Technical Analysis

CVE-2023-46321 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

iterm21 product(s)
iterm2
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gitlab.com/gnachman/iterm2/-/commit/de3d351e1bd3bc1c1a4f85fe976c592e497dd071
ADVISORYhttps://iterm2.com/downloads.html
ADVISORYhttps://gitlab.com/gnachman/iterm2/-/commit/de3d351e1bd3bc1c1a4f85fe976c592e497dd071
ADVISORYhttps://iterm2.com/downloads.html

All References (4)

→
https://gitlab.com/gnachman/iterm2/-/commit/de3d351e1bd3bc1c1a4f85fe976c592e497dd071Third Party Advisory
→
https://iterm2.com/downloads.htmlVendor Advisory
→
https://gitlab.com/gnachman/iterm2/-/commit/de3d351e1bd3bc1c1a4f85fe976c592e497dd071Third Party Advisory
→
https://iterm2.com/downloads.htmlVendor Advisory

Quick Facts

CVE IDCVE-2023-46321
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedOct 23, 2023

Related CVEs (NVD-CWE-noinfo)

CVE-2021-2256
10.0
CVE-2021-2317
10.0
CVE-2021-2244
10.0
CVE-2021-2248
10.0
CVE-2021-2177
10.0
CVE-2016-20010
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-46321 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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