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CVE-2023-4571

26
FAUCET Score

CVE-2023-4571 is a high-severity vulnerability affecting Splunk IT Service Intelligence (ITSI) versions below 4.13.3, 4.15.3, and 4.17.1. It allows for the injection of ANSI escape codes into ITSI log files, which can lead to arbitrary code execution when a vulnerable terminal application reads these logs locally. The attack requires user interaction and a terminal that interprets ANSI escape codes, with an overall CVSS score of 8.6. While not directly impacting Splunk ITSI, the indirect impact can be significant depending on terminal permissions. There is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.13.0, < 4.13.3CPE matchmatch criteria
cpe:2.3:a:splunk:it_service_intelligence:*:*:*:*:*:*:*:*
>= 4.15.0, < 4.15.3CPE matchmatch criteria
cpe:2.3:a:splunk:it_service_intelligence:*:*:*:*:*:*:*:*
4.17.0CPE matchmatch criteria
cpe:2.3:a:splunk:it_service_intelligence:4.17.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
14.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 14th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

zimbrapatch availablevia llm_extracted
Fixed in: 4.13.3, 4.15.3, 4.17.1

Vendor Advisories (1)

zimbrallm-zimbra-9bb12d6de0221cbaHIGH

Unauthenticated Log Injection in Splunk IT Service Intelligence (ITSI)

Aug 30, 2023

References

advisory.splunk.com / advisories/SVD-2023-0810
Vendor Advisory