We don't have synonyms for vulns yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are vuln, vulnus and vuls.
(v) :
(heraldry) Of a pelican, to wound (oneself) by biting at the breast.
(n) :
(computing, informal) Abbreviation of vulnerability. [(uncountable) The state of being vulnerable; susceptibility to attack or injury, either physical or emotional; the state or condition of being weak or poorly defended.]
(v) :
(heraldry) Of a pelican, to wound (oneself) by biting at the breast.
(n) :
(computing, informal) Abbreviation of vulnerability. [(uncountable) The state of being vulnerable; susceptibility to attack or injury, either physical or emotional; the state or condition of being weak or poorly defended.]