How severe is CVE-2022-45474?

CVE-2022-45474 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45474?

CVE-2022-45474 affects Drachtio Drachtio-server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45474?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-45474 published?

CVE-2022-45474 was published on 2022-11-18 and last updated on 2026-06-17.

CVE-2022-45474

CVE-2022-45474 is a critical-severity vulnerability in Drachtio Drachtio-server with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Drachtio Drachtio-server
Published: 2022-11-18
Last modified: 2026-06-17

Description

drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.

Frequently asked questions

What is CVE-2022-45474?: drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.
How severe is CVE-2022-45474?: CVE-2022-45474 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45474?: CVE-2022-45474 affects Drachtio Drachtio-server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-45474 published?: CVE-2022-45474 was published on 2022-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:drachtio:drachtio-server:0.8.18:*:*:*:*:*:*:*

More vulnerabilities in Drachtio Drachtio-server

CVE-2022-45909 — Critical (CVSS 9.1): drachtio-server before 0.8.19 has a heap-based buffer over-read via a long Request-URI in an INVITE request.
CVE-2022-47517 — High (CVSS 7.5): An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause…
CVE-2022-47516 — High (CVSS 7.5): An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause…
CVE-2022-47515 — High (CVSS 7.5): An issue was discovered in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service…
CVE-2022-45473 — Medium (CVSS 5.5): In drachtio-server 0.8.18, /var/log/drachtio has mode 0777 and drachtio.log has mode 0666.

All CVEs affecting Drachtio Drachtio-server →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →