CVE-2023-47020: Multiple Cross-Site Request Forgery (CSRF) chaining in NCR Terminal Handler v.1.5.1 allows privileges to be es

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HIGH 8.8DOWNGRADE

CVE-2023-47020 is a high-severity flaw (CVSS 8.8) affecting terminal handler. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple Cross-Site Request Forgery (CSRF) chaining in NCR Terminal Handler v.1.5.1 allows privileges to be escalated by an attacker through a crafted request involving user account creation and adding the user to an administrator group. This is exploited by an undisclosed function in the WSDL that lacks security controls and can accept custom content types.

Why this priority

High severity
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	None
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-352
Published	2024-02-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ncratleos

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

Am I affected?

Timeline

2024-02-08 16:15 UTCPublished CVE record published
2026-06-17 06:31 UTCUpdated Record last modified

ncratleos terminal handler DOWNGRADE

Affected: 1.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.1

1. Check installed version

apt-cache policy terminal-handler || rpm -q terminal-handler || terminal-handler --version

2. No fixed release: DOWNGRADE to a release before 1.5.1 (Debian / Ubuntu)

apt-cache madison terminal-handler sudo apt install terminal-handler=<VERSION_BEFORE_1.5.1> sudo apt-mark hold terminal-handler

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

dnf --showduplicates list terminal-handler sudo dnf downgrade terminal-handler-<VERSION_BEFORE_1.5.1> sudo dnf versionlock add terminal-handler

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.

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-2023-47020?

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

Is CVE-2023-47020 being exploited?

CVE-2023-47020 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-2023-47020 affect?

CVE-2023-47020 affects terminal handler. Severity is high (CVSS 8.8). Multiple Cross-Site Request Forgery (CSRF) chaining in NCR Terminal Handler v.1.5.1 allows privileges to be escalated by an attacker through a crafted request involving user account creation and adding the user to an administrator group. Th

How urgent is CVE-2023-47020?

Priority 43/100. High severity; Public exploit reference

Related CVEs

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CVE-2023-47297 CRITICAL 9.8 DOWNGRADE A settings manipulation vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary com
CVE-2023-47295 CRITICAL 9.8 DOWNGRADE A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands vi
CVE-2023-47294 HIGH 8.1 DOWNGRADE An issue in NCR Terminal Handler v1.5.1 allows low-level privileged authenticated attackers to arbitrarily dea

References

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