CVE-2020-15651

low-risk

Published 2020-08-10

A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS < 28.

Do I need to act?

0.19% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Firefox

Affected Vendors

Mozilla

References (4)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1649160

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-34/

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1649160

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-34/

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal