CVE-2023-45160: In the affected version of the 1E Client, an ordinary user could subvert downloaded instruction resource files

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HIGH 8.8DOWNGRADE

CVE-2023-45160 is a high-severity flaw (CVSS 8.8) affecting client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the affected version of the 1E Client, an ordinary user could subvert downloaded instruction resource files, e.g., to substitute a harmful script. by replacing a resource script file created by an instruction at run time with a malicious script. The 1E Client's temporary directory is now locked down in the released patch. Resolution: This has been fixed in patch Q23094 This issue has also been fixed in the Mac Client in updated versions o

Why this priority

High severity

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	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-552
Published	2023-10-05
Last modified	2026-06-17

Publisher (CNA): 1E Limited · Vendor: 1e

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

Am I affected?

Timeline

2023-10-05 16:15 UTCPublished CVE record published
2026-06-17 06:28 UTCUpdated Record last modified

1e client DOWNGRADE

Affected: 8.1.2.62 · 8.4.1.159 · 9.0.1.88 · 23.7.1.151

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.1.2.62

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.1.2.62 (Debian / Ubuntu)

apt-cache madison client sudo apt install client=<VERSION_BEFORE_8.1.2.62> sudo apt-mark hold client

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

dnf --showduplicates list client sudo dnf downgrade client-<VERSION_BEFORE_8.1.2.62> sudo dnf versionlock add client

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-2023-45160?

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

Is CVE-2023-45160 being exploited?

CVE-2023-45160 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-2023-45160 affect?

CVE-2023-45160 affects client. Severity is high (CVSS 8.8). In the affected version of the 1E Client, an ordinary user could subvert downloaded instruction resource files, e.g., to substitute a harmful script. by replacing a resource script file created by an instruction at run time with a malicious

How urgent is CVE-2023-45160?

Priority 46/100. High severity

Related CVEs

CVE-2023-45159 HIGH 8.4 DOWNGRADE 1E Client installer can perform arbitrary file deletion on protected files. A non-privileged user could pro
CVE-2023-3892 MEDIUM 5.6 DOWNGRADE DOWNGRADE Improper Restriction of XML External Entity Reference vulnerability in MIM Assistant and Client DICOM RTst Loa

References

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