---
cve: "CVE-2022-45403"
severity: "MEDIUM"
cvss: 6.5
epss: "0.7%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2022-12-22 20:15:41"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-03T06:57:22+02:00"
---

# CVE-2022-45403

> 6.5 MEDIUM

## Beschreibung

Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a media file. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## BSI-Hinweise (deutsch)

- [Xerox FreeFlow Print Server: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2023-0561)
- [Mozilla Firefox und Thunderbird: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2022-2055)

## Referenzen

- <https://www.mozilla.org/security/advisories/mfsa2022-47/>
- <https://www.mozilla.org/security/advisories/mfsa2022-49/>
- <https://www.mozilla.org/security/advisories/mfsa2022-48/>
- <https://bugzilla.mozilla.org/show_bug.cgi?id=1762078>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-45403) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_