CVE-2010-5255: Untrusted search path vulnerability in UltraISO 9.3.6.2750 allows local users to gain privileges via a Trojan

Routine

MEDIUM 6.9DOWNGRADE

CVE-2010-5255 is a medium-severity flaw (CVSS 6.9) affecting ultraiso. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in UltraISO 9.3.6.2750 allows local users to gain privileges via a Trojan horse daemon.dll file in the current working directory, as demonstrated by a directory that contains a .iso file. NOTE: some of these details are obtained from third party information.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.9 (Medium)
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Published	2012-09-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ezbsystems

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

Am I affected?

Timeline

2012-09-07 10:32 UTCPublished CVE record published
2026-06-16 23:26 UTCUpdated Record last modified

ezbsystems ultraiso DOWNGRADE

Affected: 9.3.6.2750

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.3.6.2750

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.3.6.2750 (Debian / Ubuntu)

apt-cache madison ultraiso sudo apt install ultraiso=<VERSION_BEFORE_9.3.6.2750> sudo apt-mark hold ultraiso

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

dnf --showduplicates list ultraiso sudo dnf downgrade ultraiso-<VERSION_BEFORE_9.3.6.2750> sudo dnf versionlock add ultraiso

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-2010-5255?

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

Is CVE-2010-5255 being exploited?

CVE-2010-5255 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-2010-5255 affect?

CVE-2010-5255 affects ultraiso. Severity is medium (CVSS 6.9). Untrusted search path vulnerability in UltraISO 9.3.6.2750 allows local users to gain privileges via a Trojan horse daemon.dll file in the current working directory, as demonstrated by a directory that contains a .iso file. NOTE: some of t

How urgent is CVE-2010-5255?

Priority 33/100. No elevated risk signals yet.

Related CVEs

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CVE-2008-3871 HIGH 9.3 DOWNGRADE Multiple format string vulnerabilities in UltraISO 9.3.1.2633, and possibly other versions before 9.3.3.2685,

References

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