Description
Frams's Fast File EXchange (F*EX, aka fex) 20100208, and possibly other versions before 20110610, allows remote attackers to bypass authentication and upload arbitrary files via a request that lacks an authentication ID.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | fex | 20110610-1 | — |
| Debian 12 | fex | 20110610-1 | — |
| Debian 6.0 | fex | 20100208+debian1-1+squeeze1 | DSA-2259-1 |
Advisories 1
- DSA-2259-1 fex - authentication bypass Debian Security (DSA / DLA) · Mar 9, 2026
References
- 48239 vdb-entry
- http://fex.rus.uni-stuttgart.de/fex.html
- 44940 third-party-advisory
- fex-security-bypass(68005) vdb-entry
- DSA-2259 vendor-advisory