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CVE-2020-6820

HIGHCISA KEV

8.1

Descripcion

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

Detalles CVE

Puntuacion CVSS v3.18.1

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/24/2020

Ultima modificacion11/4/2025

Fuentekev

Avistamientos honeypot0

CISA KEV

VendedorMozilla

ProductoFirefox and Thunderbird

Nombre vulnerabilidadMozilla Firefox And Thunderbird Use-After-Free Vulnerability

Fecha inclusion KEV2021-11-03

Fecha limite remediacion2022-05-03

Uso en ransomwareUnknown

Productos afectados

mozilla:firefoxmozilla:thunderbird

Debilidades (CWE)

CWE-362CWE-362

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1626728(security@mozilla.org)

https://usn.ubuntu.com/4335-1/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-11/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2020-14/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1626728(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4335-1/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-11/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-14/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-6820(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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