CVE-2023-36348: POS Codekop v2.0 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the

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HIGH 8.8DOWNGRADE

CVE-2023-36348 is a high-severity flaw (CVSS 8.8) affecting codekop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

POS Codekop v2.0 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the filename parameter.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	6.4% (top 6%)
CISA exploited list	No
Weakness	CWE-862
Published	2023-06-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codekop

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-23 20:15 UTCPublished CVE record published
2026-06-17 06:06 UTCUpdated Record last modified

codekop codekop DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy codekop || rpm -q codekop || codekop --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison codekop sudo apt install codekop=<VERSION_BEFORE_2.0> sudo apt-mark hold codekop

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list codekop sudo dnf downgrade codekop-<VERSION_BEFORE_2.0> sudo dnf versionlock add codekop

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: POS Codekop v2.0 - Authenticated Remote Code Execution (RCE)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-36348?

codekop: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-36348 being exploited?

CVE-2023-36348 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-36348 affect?

CVE-2023-36348 affects codekop. Severity is high (CVSS 8.8). POS Codekop v2.0 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the filename parameter.

How urgent is CVE-2023-36348?

Priority 59/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2023-36346 MEDIUM 6.1 DOWNGRADE POS Codekop v2.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the nm_mem
CVE-2023-36345 HIGH 8.8 DOWNGRADE A Cross-Site Request Forgery (CSRF) in POS Codekop v2.0 allows attackers to escalate privileges.

References

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