VulnerabilityModified
CVE-2022-22757
Remote Agent, used in WebDriver, did not validate the Host or Origin headers.
MEDIUM 6.5EPSS 0.23%
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. <br>*This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346, CWE-345
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1720098Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1720098Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.