Vulnerability · Published Dec 9, 2020 · Assigned by mozilla
CVE-2020-26962
Medium 6.1
In plain English
A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.7%top 46.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.21 | firefox | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.22 | firefox | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.23 | firefox | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.21 | librewolf | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.22 | librewolf | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.23 | librewolf | 83.0-r0 | ALPINE-CVE-2020-26962 |
| Alpine:v3.24 | librewolf | 83.0-r0 | ALPINE-CVE-2020-26962 |
Affected products (as reported)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=610997 x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-50/ x_refsource_CONFIRM