CVE-2020-28361 | BDVDB-2026-144949 Detail

Description#

Kamailio before 5.4.0, as used in Sip Express Router (SER) in Sippy Softswitch 4.5 through 5.2 and other products, allows a bypass of a header-removal protection mechanism via whitespace characters. This occurs in the remove_hf function in the Kamailio textops module. Particular use of remove_hf in Sippy Softswitch may allow skilled attacker having a valid credential in the system to disrupt internal call start/duration accounting mechanisms leading potentially to a loss of revenue.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12020-11-18Record published in the CVE List.
2. Version 22024-08-04Most recent update recorded in the CVE List.