diff --git a/include/ipmitool/helper.h b/include/ipmitool/helper.h
index b6ee7fa..98cf459 100644
--- a/include/ipmitool/helper.h
+++ b/include/ipmitool/helper.h
@@ -86,6 +86,7 @@ int str2uchar(const char * str, uint8_t * uchr_ptr);
 int is_fru_id(const char *argv_ptr, uint8_t *fru_id_ptr);
 int is_ipmi_channel_num(const char *argv_ptr, uint8_t *channel_ptr);
 int is_ipmi_user_id(const char *argv_ptr, uint8_t *ipmi_uid_ptr);
+int is_ipmi_user_priv_limit(uint8_t priv_limit);
 
 uint16_t str2val(const char * str, const struct valstr * vs);
 void print_valstr(const struct valstr * vs, const char * title, int loglevel);
diff --git a/lib/helper.c b/lib/helper.c
index 6d093c8..605f866 100644
--- a/lib/helper.c
+++ b/lib/helper.c
@@ -760,6 +760,24 @@ is_ipmi_user_id(const char *argv_ptr, uint8_t *ipmi_uid_ptr)
 	return (-1);
 }
 
+/* is_ipmi_user_priv_limit - check whether given value is valid User Privilege
+ * Limit, eg. IPMI v2 spec, 22.27 Get User Access Command.
+ *
+ * @priv_limit: User Privilege Limit
+ *
+ * returns 0 if Priv Limit is valid
+ * returns (-1) when Priv Limit is invalid
+ */
+int
+is_ipmi_user_priv_limit(uint8_t priv_limit)
+{
+	if (0x00 < priv_limit && priv_limit < 0x06 || priv_limit == 0x0f) {
+		return 0;
+	} else {
+		return (-1);
+	}
+}
+
 uint16_t
 ipmi_get_oem_id(struct ipmi_intf *intf)
 {
diff --git a/lib/ipmi_user.c b/lib/ipmi_user.c
index 3731f63..06117ad 100644
--- a/lib/ipmi_user.c
+++ b/lib/ipmi_user.c
@@ -646,7 +646,8 @@ ipmi_user_priv(struct ipmi_intf *intf, int argc, char **argv)
 		}
 		channel = (channel & 0x0f);
 	}
-	if (str2uchar(argv[2], &priv_level) != 0) {
+	if ((str2uchar(argv[2], &priv_level) != 0)
+			|| is_ipmi_user_priv_limit(priv_level) != 0) {
 		lprintf(LOG_ERR, "Invalid privilege level: %s", argv[2]);
 		return (-1);
 	}