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CVE-2024-1681

17
FAUCET Score

CVE-2024-1681 describes a log injection vulnerability in corydolphin/flask-cors, specifically when debug logging is enabled. An attacker can inject fake log entries by sending a specially crafted GET request containing a CRLF sequence in the request path, leading to corrupted log files, obfuscation of other attack traces, and potential confusion for log analysis tools. Rated as Medium severity (CVSS 5.3), this vulnerability requires no authentication or user interaction, and its impact is limited to integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:a:corydolphin:flask-cors:4.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 28th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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)

pippatch availablevia ghsa
Product: flask-corsFixed in: 4.0.1

Vendor Advisories (1)

pipGHSA-84pr-m4jr-85g5medium

flask-cors vulnerable to log injection when the log level is set to debug

Apr 19, 2024

References

lists.debian.org / debian-lts-announce/2025/05/msg00049.html
huntr.com / bounties/25a7a0ba-9fa2-4777-acb6-03e5539bb644
ExploitThird Party Advisory