CVE-2010-5220: Untrusted search path vulnerability in MEO Encryption Software 2.02 allows local users to gain privileges via

Routine

MEDIUM 6.9DOWNGRADE

CVE-2010-5220 is a medium-severity flaw (CVSS 6.9) affecting meo encryption software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in MEO Encryption Software 2.02 allows local users to gain privileges via a Trojan horse dwmapi.dll file in the current working directory, as demonstrated by a directory that contains a .meo or .cry 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 70%)
CISA exploited list	No
Published	2012-09-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: nchsoftware

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

Am I affected?

Timeline

2012-09-06 10:41 UTCPublished CVE record published
2026-06-16 23:26 UTCUpdated Record last modified

nchsoftware meo encryption software DOWNGRADE

Affected: 2.02

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.02

1. Check installed version

apt-cache policy meo-encryption-software || rpm -q meo-encryption-software || meo-encryption-software --version

2. No fixed release: DOWNGRADE to a release before 2.02 (Debian / Ubuntu)

apt-cache madison meo-encryption-software sudo apt install meo-encryption-software=<VERSION_BEFORE_2.02> sudo apt-mark hold meo-encryption-software

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

dnf --showduplicates list meo-encryption-software sudo dnf downgrade meo-encryption-software-<VERSION_BEFORE_2.02> sudo dnf versionlock add meo-encryption-software

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-2010-5220?

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

Is CVE-2010-5220 being exploited?

CVE-2010-5220 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-2010-5220 affect?

CVE-2010-5220 affects meo encryption software. Severity is medium (CVSS 6.9). Untrusted search path vulnerability in MEO Encryption Software 2.02 allows local users to gain privileges via a Trojan horse dwmapi.dll file in the current working directory, as demonstrated by a directory that contains a .meo or .cry file.

How urgent is CVE-2010-5220?

Priority 32/100. No elevated risk signals yet.

References

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