Skip to main content

Iterm2 CVE-2023-46321

CRITICAL
Improper Output Neutralization for Logs (CWE-117)
2023-10-23 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A09:2025 - Security Logging & Alerting Failures
ASVS 5.0
V16 - Security Logging and Error Handling Log output neutralization
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.7% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

iTermSessionLauncher.m in iTerm2 before 3.5.0beta12 does not sanitize paths in x-man-page URLs. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-117. 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. Affected products include: Iterm2. Version information: before 3.5.0.

Know when Iterm2 gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
0.7%
Top 53% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.7%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:iterm2:iterm2:*:*:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta10:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta3:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta4:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta5:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta6:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta7:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta8:*:*:*:*:*:*
cpe:2.3:a:iterm2:iterm2:3.5.0:beta9:*:*:*:*:*:*

More in Iterm2

View all
CVE-2024-38396 CRITICAL POC
9.8 Jun 16

An issue was discovered in iTerm2 3.5.x before 3.5.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely

CVE-2023-46301 CRITICAL POC
9.8 Oct 22

iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences relate

CVE-2023-46300 CRITICAL POC
9.8 Oct 22

iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences relate

CVE-2019-9535 CRITICAL POC
9.8 Oct 09

A vulnerability exists in the way that iTerm2 integrates with tmux's control mode, which may allow an attacker to execut

CVE-2015-9231 HIGH POC
7.5 Sep 20

iTerm2 3.x before 3.1.1 allows remote attackers to discover passwords by reading DNS queries. Rated high severity (CVSS

CVE-2019-19022 HIGH POC
7.5 Nov 17

iTerm2 through 3.3.6 has potentially insufficient documentation about the presence of search history in com.googlecode.i

CVE-2024-38395 CRITICAL
9.8 Jun 16

In iTerm2 before 3.5.2, the "Terminal may report window title" setting is not honored, and thus remote code execution mi

CVE-2023-46322 CRITICAL
9.8 Oct 23

iTermSessionLauncher.m in iTerm2 before 3.5.0beta12 does not sanitize ssh hostnames in URLs. Rated critical severity (CV

CVE-2022-45872 CRITICAL
9.8 Nov 23

iTerm2 before 3.4.18 mishandles a DECRQSS response. Rated critical severity (CVSS 9.8), this vulnerability is remotely e

CVE-2026-41253 MEDIUM
6.9 Apr 18

Remote code execution in iTerm2 through version 3.6.9 allows local attackers to execute arbitrary code by displaying a s

CVE-2025-22275 CRITICAL
9.3 Jan 03

iTerm2 3.5.6 through 3.5.10 before 3.5.11 sometimes allows remote attackers to obtain sensitive information from termina

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy