CVE-2006-2036: iOpus Secure Email Attachments (SEA), probably 1.0, does not properly handle passwords that consist of repetit

Routine

LOW 2.1DOWNGRADE

CVE-2006-2036 is a low-severity flaw (CVSS 2.1) affecting secure email attachments. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

iOpus Secure Email Attachments (SEA), probably 1.0, does not properly handle passwords that consist of repetitions of a substring, which allows attackers to decrypt files by entering only the substring.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Published	2006-04-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: iopus

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

Am I affected?

Timeline

2006-04-26 00:06 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

iopus secure email attachments DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy secure-email-attachments || rpm -q secure-email-attachments || secure-email-attachments --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison secure-email-attachments sudo apt install secure-email-attachments=<VERSION_BEFORE_1.0> sudo apt-mark hold secure-email-attachments

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

dnf --showduplicates list secure-email-attachments sudo dnf downgrade secure-email-attachments-<VERSION_BEFORE_1.0> sudo dnf versionlock add secure-email-attachments

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-2006-2036?

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

Is CVE-2006-2036 being exploited?

CVE-2006-2036 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-2006-2036 affect?

CVE-2006-2036 affects secure email attachments. Severity is low (CVSS 2.1). iOpus Secure Email Attachments (SEA), probably 1.0, does not properly handle passwords that consist of repetitions of a substring, which allows attackers to decrypt files by entering only the substring.

How urgent is CVE-2006-2036?

Priority 15/100. No elevated risk signals yet.

References

← Back to latest CVEs