CVE-2024-40464: An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the sendMail function

Q: How do I fix CVE-2024-40464?

beego: upgrade to 2.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-40464 being exploited?

CVE-2024-40464 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-2024-40464 affect?

CVE-2024-40464 affects beego. Severity is high (CVSS 8.8). An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the sendMail function located in beego/core/logs/smtp.go file

This month

HIGH 8.8UPGRADE

CVE-2024-40464 is a high-severity flaw (CVSS 8.8) affecting beego. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the sendMail function located in beego/core/logs/smtp.go file

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-295, CWE-599
Published	2024-07-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: beego

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

Am I affected?

Timeline

2024-07-31 21:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

beego beego UPGRADE

Affected: < 2.2.1

Fixed in: 2.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade beego

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-2024-40464?

beego: upgrade to 2.2.1. Exact commands for each OS are on this page.

Is CVE-2024-40464 being exploited?

CVE-2024-40464 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-2024-40464 affect?

CVE-2024-40464 affects beego. Severity is high (CVSS 8.8). An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the sendMail function located in beego/core/logs/smtp.go file

How urgent is CVE-2024-40464?

Priority 43/100. High severity

Related CVEs

CVE-2025-30223 CRITICAL 9.3 UPGRADE Beego is an open-source web framework for the Go programming language
CVE-2024-55885 HIGH 7.5 UPGRADE beego is an open-source web framework for the Go programming language
CVE-2024-40465 HIGH 8.8 UPGRADE An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the getCacheFileName

References

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