CVE-2024-50653: CRMEB <=5.4.0 is vulnerable to Incorrect Access Control

Q: How do I fix CVE-2024-50653?

crmeb: upgrade to newer than 5.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-50653 being exploited?

CVE-2024-50653 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-2024-50653 affect?

CVE-2024-50653 affects crmeb. Severity is high (CVSS 7.5). CRMEB <=5.4.0 is vulnerable to Incorrect Access Control. Users can bypass the front-end restriction of only being able to claim coupons once by capturing packets and sending a large number of data packets for coupon collection, achieving un

Q: How urgent is CVE-2024-50653?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2024-50653 is a high-severity flaw (CVSS 7.5) affecting crmeb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRMEB <=5.4.0 is vulnerable to Incorrect Access Control. Users can bypass the front-end restriction of only being able to claim coupons once by capturing packets and sending a large number of data packets for coupon collection, achieving unlimited coupon collection.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-284
Published	2024-11-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: crmeb

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

Am I affected?

Timeline

2024-11-15 17:15 UTCPublished CVE record published
2026-06-17 08:04 UTCUpdated Record last modified

crmeb crmeb UPGRADE

Affected: <= 5.4.0

Fixed in: newer than 5.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 5.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade crmeb

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-2024-50653?

crmeb: upgrade to newer than 5.4.0. Exact commands for each OS are on this page.

Is CVE-2024-50653 being exploited?

CVE-2024-50653 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-2024-50653 affect?

CVE-2024-50653 affects crmeb. Severity is high (CVSS 7.5). CRMEB <=5.4.0 is vulnerable to Incorrect Access Control. Users can bypass the front-end restriction of only being able to claim coupons once by capturing packets and sending a large number of data packets for coupon collection, achieving un

How urgent is CVE-2024-50653?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-10391 MEDIUM 6.3 UPGRADE A security vulnerability has been detected in CRMEB up to 5.6.1
CVE-2025-10389 MEDIUM 5.4 UPGRADE A security flaw has been discovered in CRMEB up to 5.6.1
CVE-2025-10390 MEDIUM 5.4 UPGRADE A weakness has been identified in CRMEB up to 5.6.1
CVE-2025-11290 MEDIUM 5.6 UPGRADE A vulnerability was identified in CRMEB up to 5.6.1
CVE-2025-11288 MEDIUM 6.3 UPGRADE A security flaw has been discovered in CRMEB up to 5.6

References

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