CVE-2020-7836: VOICEYE WSActiveBridgeES versions prior to 2.1.0.3 contains a stack-based buffer overflow vulnerability caused

Q: How do I fix CVE-2020-7836?

voiceye wsactivebridges: upgrade to 2.1.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2020-7836 being exploited?

CVE-2020-7836 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7836 affect?

CVE-2020-7836 affects voiceye wsactivebridges. Severity is high (CVSS 7.8). VOICEYE WSActiveBridgeES versions prior to 2.1.0.3 contains a stack-based buffer overflow vulnerability caused by improper bound checking parameter given by attack. It finally leads to a stack-based buffer overflow via access to crafted web

This month

HIGH 7.8UPGRADE

CVE-2020-7836 is a high-severity flaw (CVSS 7.8) affecting voiceye wsactivebridges. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

VOICEYE WSActiveBridgeES versions prior to 2.1.0.3 contains a stack-based buffer overflow vulnerability caused by improper bound checking parameter given by attack. It finally leads to a stack-based buffer overflow via access to crafted web page.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2021-02-24
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: voiceye wsactivebridgees project

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

Am I affected?

Timeline

2021-02-24 17:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

voiceye wsactivebridgees project voiceye wsactivebridges UPGRADE

Affected: < 2.1.0.3

Fixed in: 2.1.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy voiceye-wsactivebridges || rpm -q voiceye-wsactivebridges || voiceye-wsactivebridges --version

2. UPGRADE to 2.1.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade voiceye-wsactivebridges

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade voiceye-wsactivebridges

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-2020-7836?

voiceye wsactivebridges: upgrade to 2.1.0.3. Exact commands for each OS are on this page.

Is CVE-2020-7836 being exploited?

CVE-2020-7836 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-2020-7836 affect?

CVE-2020-7836 affects voiceye wsactivebridges. Severity is high (CVSS 7.8). VOICEYE WSActiveBridgeES versions prior to 2.1.0.3 contains a stack-based buffer overflow vulnerability caused by improper bound checking parameter given by attack. It finally leads to a stack-based buffer overflow via access to crafted web

How urgent is CVE-2020-7836?

Priority 40/100. High severity

References

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