SARA / Free Tools / CVE / CVE-2023-47039

CVE-2023-47039 — A vulnerability was found in Perl

A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within

CVSS
7.8 HIGH
EPSS
0.09% (top 74.80%)
CWE
CWE-122
Published
2024-01-02T05:30:53.168Z
Last modified
2025-11-20T17:57:11.573Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

A vulnerability was found in Perl. This security issue occurs while Perl for Windows relies on the system path environment variable to find the shell (`cmd.exe`). When running an executable that uses the Windows Perl interpreter, Perl attempts to find and execute `cmd.exe` within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current…

02Affected products

VendorProductVersions
??0, 5.36.0, 5.38.0
Red HatRed Hat Enterprise Linux 6unspecified
Red HatRed Hat Enterprise Linux 7unspecified
Red HatRed Hat Enterprise Linux 8unspecified
Red HatRed Hat Enterprise Linux 8unspecified
Red HatRed Hat Enterprise Linux 8unspecified
Red HatRed Hat Enterprise Linux 9unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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