CVE-2012-4255: MySQLDumper 1.24.4 allows remote attackers to obtain sensitive information via a direct request to learn/cubem

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MEDIUM 4.3WATCHLISTDOWNGRADE

CVE-2012-4255 is a medium-severity flaw (CVSS 4.3) affecting mysqldumper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MySQLDumper 1.24.4 allows remote attackers to obtain sensitive information via a direct request to learn/cubemail/refresh_dblist.php, which reveals the installation path in an error message.

Why this priority

Public exploit reference
On your watchlist

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-200
Published	2012-08-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mysqldumper

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-08-13 18:55 UTCPublished CVE record published
2026-06-16 23:44 UTCUpdated Record last modified

mysqldumper mysqldumper DOWNGRADE

Affected: 1.24.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.24.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.24.4 (Debian / Ubuntu)

apt-cache madison mysqldumper sudo apt install mysqldumper=<VERSION_BEFORE_1.24.4> sudo apt-mark hold mysqldumper

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

dnf --showduplicates list mysqldumper sudo dnf downgrade mysqldumper-<VERSION_BEFORE_1.24.4> sudo dnf versionlock add mysqldumper

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-2012-4255?

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

Is CVE-2012-4255 being exploited?

CVE-2012-4255 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-2012-4255 affect?

CVE-2012-4255 affects mysqldumper. Severity is medium (CVSS 4.3). MySQLDumper 1.24.4 allows remote attackers to obtain sensitive information via a direct request to learn/cubemail/refresh_dblist.php, which reveals the installation path in an error message.

How urgent is CVE-2012-4255?

Priority 43/100. Public exploit reference; On your watchlist

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2012-4253 MEDIUM 4.3 DOWNGRADE Multiple directory traversal vulnerabilities in MySQLDumper 1.24.4 allow remote attackers to read arbitrary fi
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CVE-2012-4251 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in MySQLDumper 1.24.4 allow remote attackers to inject arb

References

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