1 files changed, 8 insertions, 0 deletions
diff --git a/apps/cms.c b/apps/cms.c
index 2863a92eee..9c9f01d3ee 100644
--- a/apps/cms.c
+++ b/apps/cms.c
@@ -603,6 +603,14 @@ int cms_main(int argc, char **argv)
         goto opthelp;
     }
 
+    if (flags & CMS_CADES) {
+        if (flags & CMS_NOATTR) {
+            BIO_puts(bio_err, "Incompatible options: "
+                     "CAdES required signed attributes\n");
+            goto opthelp;
+        }
+    }
+
     if (operation & SMIME_SIGNERS) {
         if (keyfile != NULL && signerfile == NULL) {
             BIO_puts(bio_err, "Illegal -inkey without -signer\n");