CVE-2018-10757: CSP MySQL User Manager 2.3.1 allows SQL injection, and resultant Authentication Bypass, via a crafted username

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CRITICAL 9.8REMOTEWATCHLISTDOWNGRADE

CVE-2018-10757 is a critical-severity flaw (CVSS 9.8) affecting csp mysql user manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CSP MySQL User Manager 2.3.1 allows SQL injection, and resultant Authentication Bypass, via a crafted username during a login attempt.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	5.4% (top 7%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-05-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: csp mysql user manager project

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

Am I affected?

Timeline

2018-05-05 19:29 UTCPublished CVE record published
2026-06-17 01:34 UTCUpdated Record last modified

csp mysql user manager project csp mysql user manager DOWNGRADE

Affected: 2.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.1

1. Check installed version

apt-cache policy csp-mysql-user-manager || rpm -q csp-mysql-user-manager || csp-mysql-user-manager --version

2. No fixed release: DOWNGRADE to a release before 2.3.1 (Debian / Ubuntu)

apt-cache madison csp-mysql-user-manager sudo apt install csp-mysql-user-manager=<VERSION_BEFORE_2.3.1> sudo apt-mark hold csp-mysql-user-manager

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

dnf --showduplicates list csp-mysql-user-manager sudo dnf downgrade csp-mysql-user-manager-<VERSION_BEFORE_2.3.1> sudo dnf versionlock add csp-mysql-user-manager

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · librepo · FIXED · 1.21.3-1.fc46 · FEDORA-2026-c502136ca7 · source

sudo dnf upgrade --advisory=FEDORA-2026-c502136ca7

Public exploits and detection

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

Write-up: packetstormsecurity.com/files/147501/cspmysqlum231-sql.txt
Write-up: www.exploit-db.com/exploits/44589/
Exploit-DB: CSP MySQL User Manager 2.3.1 - Authentication Bypass

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-2018-10757?

csp mysql user manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-10757 being exploited?

CVE-2018-10757 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-2018-10757 affect?

CVE-2018-10757 affects csp mysql user manager. Severity is critical (CVSS 9.8). CSP MySQL User Manager 2.3.1 allows SQL injection, and resultant Authentication Bypass, via a crafted username during a login attempt.

How urgent is CVE-2018-10757?

Priority 72/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

MySQL vulnerabilities

References

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