HOMEVULNERABILITIESCVE-2024-45396
HIGH

CVE-2024-45396

CWE-617Published: October 11, 2024· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using quicly. The vulnerability is addressed with commit 2a95896104901589c495bc41460262e64ffcad5c.

NVD Source

Technical Analysis

CVE-2024-45396 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

dena1 product(s)
quicly
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/h2o/quicly/commit/2a95896104901589c495bc41460262e64ffcad5c
ADVISORYhttps://github.com/h2o/quicly/security/advisories/GHSA-mp3c-h5gg-mm6p

All References (2)

→
https://github.com/h2o/quicly/commit/2a95896104901589c495bc41460262e64ffcad5cPatch
→
https://github.com/h2o/quicly/security/advisories/GHSA-mp3c-h5gg-mm6pVendor Advisory

Quick Facts

CVE IDCVE-2024-45396
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-617
CISA KEVNo
Affected1 vendor(s)
PublishedOct 11, 2024

Related CVEs (CWE-617)

CVE-2019-9795
9.8
CVE-2020-3615
9.8
CVE-2020-12417
8.8
CVE-2020-6623
8.8
CVE-2020-6619
8.8
CVE-2020-6617
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-45396 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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