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CVE-2015-5997: Impero Education Pro before 5105 uses a hardcoded CBC key and initialization vector derived from a hash of the

46
This month
HIGH 7.8UPGRADE

CVE-2015-5997 is a high-severity flaw (CVSS 7.8) affecting impero education pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Impero Education Pro before 5105 uses a hardcoded CBC key and initialization vector derived from a hash of the Imp3ro string, which makes it easier for remote attackers to obtain plaintext data by sniffing the network for ciphertext data.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
EPSS exploit chance1.7% (top 23%)
CISA exploited listNo
Published2015-09-14
Last modified2026-06-17
Publisher (CNA): CERT/CC · Vendor: impero

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

Am I affected?

Timeline

impero impero education pro UPGRADE
Affected: <= 5008
Fixed in: newer than 5008
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy impero-education-pro || rpm -q impero-education-pro || impero-education-pro --version
2. UPGRADE to newer than 5008 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade impero-education-pro
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade impero-education-pro
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2015-5997?

impero education pro: upgrade to newer than 5008. Exact commands for each OS are on this page.

Is CVE-2015-5997 being exploited?

CVE-2015-5997 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-2015-5997 affect?

CVE-2015-5997 affects impero education pro. Severity is high (CVSS 7.8). Impero Education Pro before 5105 uses a hardcoded CBC key and initialization vector derived from a hash of the Imp3ro string, which makes it easier for remote attackers to obtain plaintext data by sniffing the network for ciphertext data.

How urgent is CVE-2015-5997?

Priority 46/100. High severity

Related CVEs

References

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