Wiesemann & Theis: Small number space for allocating session id in Com-Server family
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.48, 1.76
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an user an unathenticated remote attacker can brute force the users session id and get access to his account on the the device. As the user needs to log in for the attack to be successful a user interaction is required.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Wiesemann & Theis Com-Server LC
From 1.0 · fixed in 1.48
- Wiesemann & Theis Com-Server PoE 3 x Isolated
From 1.0 · fixed in 1.48
- Wiesemann & Theis Com-Server 20mA
From 1.0 · fixed in 1.48
- Wiesemann & Theis Com-Server ++
From 1.0 · fixed in 1.48
- Wiesemann & Theis AT-Modem-Emulator
From 1.0 · fixed in 1.48
- Wiesemann & Theis Com-Server UL
From 1.0 · fixed in 1.48
- Wiesemann & Theis Com-Server Highspeed 100BaseFX
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed 100BaseLX
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed Office 1 Port
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed Office 4 Port
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed Industry
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed OEM
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed Compact
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed Isolated
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed 19" 1Port
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed 19" 4Port
From 1.0 · fixed in 1.76
- Wiesemann & Theis Com-Server Highspeed PoE
From 1.0 · fixed in 1.76