CVE-2022-29976: An Authenticated Reflected Cross-site scripting at BCC Parameter was discovered in MDaemon before 22.0.0 .

Q: How do I fix CVE-2022-29976?

mdaemon: upgrade to 22.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-29976 being exploited?

CVE-2022-29976 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-2022-29976 affect?

CVE-2022-29976 affects mdaemon. Severity is medium (CVSS 5.4). An Authenticated Reflected Cross-site scripting at BCC Parameter was discovered in MDaemon before 22.0.0 .

Q: How urgent is CVE-2022-29976?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2022-29976 is a medium-severity flaw (CVSS 5.4) affecting mdaemon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An Authenticated Reflected Cross-site scripting at BCC Parameter was discovered in MDaemon before 22.0.0 .

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-05-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: altn

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

Am I affected?

Timeline

2022-05-11 13:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

altn mdaemon UPGRADE

Affected: < 22.0.0

Fixed in: 22.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 22.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mdaemon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mdaemon

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-2022-29976?

mdaemon: upgrade to 22.0.0. Exact commands for each OS are on this page.

Is CVE-2022-29976 being exploited?

CVE-2022-29976 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-2022-29976 affect?

CVE-2022-29976 affects mdaemon. Severity is medium (CVSS 5.4). An Authenticated Reflected Cross-site scripting at BCC Parameter was discovered in MDaemon before 22.0.0 .

How urgent is CVE-2022-29976?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2024-11182 MEDIUM 6.1 EXPLOITED UPGRADE MDaemon Email Server Cross-Site Scripting (XSS) Vulnerability
CVE-2022-29975 MEDIUM 5.4 UPGRADE An Authenticated Reflected Cross-site scripting at CC Parameter was discovered in MDaemon before 22.0.0 .
CVE-2021-27183 HIGH 7.2 UPGRADE An issue was discovered in MDaemon before 20.0.4
CVE-2021-27182 HIGH 8.8 UPGRADE An issue was discovered in MDaemon before 20.0.4
CVE-2021-27181 HIGH 8.8 UPGRADE An issue was discovered in MDaemon before 20.0.4

References

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