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CVE-2024-45300

16
FAUCET Score

CVE-2024-45300 describes a race condition in alf.io, an open-source ticket reservation system, affecting versions prior to 2.0-M5. This vulnerability allows an attacker to bypass promo code usage limits, enabling the repeated application of discount coupons. With a CVSS score of 5.9 (Medium), the attack requires high complexity but can lead to a high integrity impact by allowing unauthorized discounts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0-m5CPE matchmatch criteria
cpe:2.3:a:alf:alf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 4th percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / alfio-event/alf.io/commit/53b3309e26e8acec6860d1e045df3046153a3245
Patch
github.com / alfio-event/alf.io/security/advisories/GHSA-67jg-m6f3-473g
ExploitVendor Advisory