Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which…
Priority LOW 35CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00322 25th percentileScored 2026-11-07
Fix Fixed Serilog.Enrichers.ClientInfo (NuGet): 2.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Serilog.Enrichers.ClientInfo (NuGet) | before 2.1.0 | 2.1.0 | Patch available | GHSA-5x5q-cqf6-gj8r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Serilog.Enrichers.ClientInfo (NuGet) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-5x5q-cqf6-gj8r
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:serilog-contrib:serilog-enrichers-clientinfo:*:*:*:*:*:*:*:* | before 2.1.0 | Vulnerable | Serilog-contrib |
- cpe:2.3:a:serilog-contrib:serilog-enrichers-clientinfo:*:*:*:*:*:*:*:* Versions before 2.1.0 Vulnerable ·Serilog-contrib
Remediation
- Fix · GHSA-5x5q-cqf6-gj8r Serilog.Enrichers.ClientInfo (NuGet) Fixed in 2.1.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-44930
- 2026-10-03 Alias added: GHSA-5x5q-cqf6-gj8r
References
Other 5
- https://github.com/serilog-contrib/serilog-enrichers-clientinfo/issues/29
- https://github.com/serilog-contrib/serilog-enrichers-clientinfo/releases/tag/v2.1.0
- https://github.com/serilog-contrib/serilog-enrichers-clientinfo/pull/38
- https://github.com/serilog-contrib/serilog-enrichers-clientinfo/commit/a72051d1900131e6fb30bcfd9491a988167fb6ac
- https://github.com/serilog-contrib/serilog-enrichers-clientinfo
Sources
- CVE-2024-44930 · CVE Program
- CVE-2024-44930 · NVD
- FIRST EPSS
- GHSA-5x5q-cqf6-gj8r · GitHub Advisory Database · CC BY 4.0
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