CVE-2022-31739
highpriority · track · 35EPSS 0.007 · 53 %ileDEEURUUSEPSS · scored 2026-10-27
When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (43)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0019Mozilla Firefox und Thunderbird: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2022-05-31csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, falsche Informationen darzustellen und einen Denial-of-Service-Zustand zu verursachen.
- WID-SEC-W-2022-1335Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2022-09-07csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (21)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2022-31739cnnvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=1765049cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-31739/cnnvd
- https://vigilance.fr/vulnerability/Firefox-Thunderbird-multiple-vulnerabilities-38475cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2686cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022053126cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022060107cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022060216cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan