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CVE-2023-33243: RedTeam Pentesting discovered that the web interface of STARFACE as well as its REST API allows authentication

61
This week
HIGH 8.1REMOTEUPGRADE

CVE-2023-33243 is a high-severity flaw (CVSS 8.1) affecting starface. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

RedTeam Pentesting discovered that the web interface of STARFACE as well as its REST API allows authentication using the SHA512 hash of the password instead of the cleartext password. While storing password hashes instead of cleartext passwords in an application's database generally has become best practice to protect users' passwords in case of a database compromise, this is rendered ineffective when allowing to authenticate using the password h

Why this priority

  • High severity
  • EPSS top 9%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score8.1 (High)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance4.4% (top 9%)
CISA exploited listNo
WeaknessCWE-916
Published2023-06-15
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: starface

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

Am I affected?

Timeline

starface starface UPGRADE
Affected: <= 7.3.0.10
Fixed in: newer than 7.3.0.10
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy starface || rpm -q starface || starface --version
2. UPGRADE to newer than 7.3.0.10 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade starface
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade starface
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

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

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-2023-33243?

starface: upgrade to newer than 7.3.0.10. Exact commands for each OS are on this page.

Is CVE-2023-33243 being exploited?

CVE-2023-33243 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-2023-33243 affect?

CVE-2023-33243 affects starface. Severity is high (CVSS 8.1). RedTeam Pentesting discovered that the web interface of STARFACE as well as its REST API allows authentication using the SHA512 hash of the password instead of the cleartext password. While storing password hashes instead of cleartext passw

How urgent is CVE-2023-33243?

Priority 61/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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