CVE-2022-45474: drachtio drachtio-server Use After Free
Vulnerability summary
CVE-2022-45474 is a critical (CVSS 9.8) Use After Free vulnerability in drachtio drachtio-server. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 63.7% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 18-11-2022PublishedVulnerability first disclosed.
- 29-04-2025Last modifiedVulnerability information updated.
Description
drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 1.00% on 11-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundDrachtio Server
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Drachtio1 product
- drachtio-server0.8.18
1 vendor · 1 product
References
2 links- github.com/drachtio/drachtio-server/commit/860f025468feb31c43227153d8fb3f34210a522ePatchThird Party Advisory