Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites via crafted URLs.
CVE-2022-28923
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 1.4% (72nd percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMmedium confidence
- EG Risk
- 43EG Risk 43/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation40% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 1.4%
- EPSS %ILE
- 72nd
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
February 6, 2023
Last Modified
March 26, 2025
References (2)
Affected Packages
(4 across 4 ecosystems)
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| caddy | — |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| caddy | — |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| caddy | — |
| — |
Go(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| github.com/caddyserver/caddy/v2 | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 185 total refreshes for this CVE.
- 2026-10-09 20:04 UTCEPSS rescore
- 2026-10-08 16:40 UTCEPSS rescore
- 2026-10-07 23:45 UTCEPSS rescore
- 2026-10-06 15:14 UTCEPSS rescore
- 2026-10-05 17:40 UTCEPSS rescore
- 2026-10-03 14:23 UTCEPSS rescore
- 2026-10-02 16:23 UTCEPSS rescore
- 2026-09-30 15:53 UTCEG score recompute
- 2026-09-30 15:00 UTCEPSS rescore
- 2026-09-29 15:16 UTCEPSS rescore
- 2026-09-28 13:48 UTCEPSS rescore
- 2026-09-27 13:42 UTCEPSS rescore
- 2026-09-26 15:54 UTCEPSS rescore
- 2026-09-26 00:22 UTCEPSS rescore
- 2026-09-24 14:00 UTCEPSS rescore
- 2026-09-23 21:11 UTCOSV refresh
- 2026-09-23 13:45 UTCEPSS rescore
- 2026-09-22 14:44 UTCEPSS rescore
- 2026-09-20 20:13 UTCEPSS rescore
- 2026-09-19 15:38 UTCEPSS rescore
- 2026-09-18 19:24 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-15 03:06 UTCEPSS rescore
- 2026-09-13 16:44 UTCEPSS rescore
- 2026-09-12 14:57 UTCEPSS rescore
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- 2026-09-11 14:49 UTCEPSS rescore
- 2026-09-11 09:33 UTCEPSS rescore
- 2026-09-08 21:57 UTCEPSS rescore
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-04 15:54 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-23 00:16 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-18 03:22 UTCOSV refresh
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-04 10:35 UTCEPSS rescore
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 22:27 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:10 UTCEG score recompute
- 2026-07-22 22:57 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 06:53 UTCOSV refresh
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2022/CVE-2022-28923.yamlFirst seen Jan 1, 2022
Caddy 2.4.6 - Open Redirect
Open source ↗
Related CVEs(same product + same CWE)
Same product
10 shownDebian:12:caddy
Frequently asked(5)
What is CVE-2022-28923?
When was CVE-2022-28923 disclosed?
Is CVE-2022-28923 actively exploited?
What is the CVSS score of CVE-2022-28923?
How do I remediate CVE-2022-28923?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-28923
Is Your Infrastructure Affected by CVE-2022-28923?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.