diff --git a/lib/core/settings.py b/lib/core/settings.py
index b3224bb00..469ea9059 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.1.51"
+VERSION = "1.3.1.52"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 4bb02d0d0..2e74299f4 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -49,7 +49,7 @@ fe370021c6bc99daf44b2bfc0d1effb3  lib/core/patch.py
 9a7d68d5fa01561500423791f15cc676  lib/core/replication.py
 3179d34f371e0295dd4604568fb30bcd  lib/core/revision.py
 d6269c55789f78cf707e09a0f5b45443  lib/core/session.py
-540a2dab2853ea2599996b12183a7c2f  lib/core/settings.py
+d678e90ba0f7ce756b88a0540e5e7db9  lib/core/settings.py
 a8a7501d1e6b21669b858a62e921d191  lib/core/shell.py
 5dc606fdf0afefd4b305169c21ab2612  lib/core/subprocessng.py
 eec3080ba5baca44c6de4595f1c92a0d  lib/core/target.py
@@ -402,7 +402,7 @@ b6bc83ae9ea69cf96e9389bde8250c7c  waf/airlock.py
 34b8ec9f438d7daa56aa016e6c09fadb  waf/anquanbao.py
 7ab1a7cd51a02899592f4f755d36a02e  waf/approach.py
 425f2599f57ab81b4fff67e6b442cccc  waf/armor.py
-33b6e6793ed3add457d7c909ec599ad3  waf/asm.py
+2d03af372a8e660e67437438264a144d  waf/asm.py
 9dbec5d674ed4c762ffc9bc3ab402739  waf/aws.py
 e57a22864477ad23ae6a3d308f9b5410  waf/barracuda.py
 742f8c9b7f3a858e11dfd2ce3df65c6e  waf/binarysec.py
@@ -454,6 +454,7 @@ d2d9718de217dd07d9e66b2e6ad61380  waf/safe3.py
 213062db202a6eb0939a6674f96be551  waf/safedog.py
 34440ee94fcff88b4158e86635176547  waf/secureentry.py
 ac0728ddb7a15b46b0eabd78cd661f8c  waf/secureiis.py
+c6cbe2de808d7a6b614a9ba3c85b4141  waf/securesphere.py
 ba37e1c37fa0e3688873f74183a9cb9c  waf/senginx.py
 2602a8baed4da643e606a379e4dc75db  waf/shieldsecurity.py
 fc21ce1e6e597e44818c03d9cb859e83  waf/siteground.py
diff --git a/waf/asm.py b/waf/asm.py
index e34b0671c..057bd3154 100644
--- a/waf/asm.py
+++ b/waf/asm.py
@@ -17,8 +17,6 @@ def detect(get_page):
     for vector in WAF_ATTACK_VECTORS:
         page, headers, code = get_page(get=vector)
         retval = "The requested URL was rejected. Please consult with your administrator." in (page or "")
-        retval |= all(_ in (page or "") for _ in ("This page can't be displayed. Contact support for additional information", "The incident ID is:"))
-        retval |= re.search(r"(?i)Support.ID", page or "") is not None and re.search(r"\b\d{19}\b", page or "") is not None
         retval |= all(_ in (page or "") for _ in ("security.f5aas.com", "Please enable JavaScript to view the page content"))
         if retval:
             break
diff --git a/waf/securesphere.py b/waf/securesphere.py
new file mode 100644
index 000000000..3de61f9c0
--- /dev/null
+++ b/waf/securesphere.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
+See the file 'LICENSE' for copying permission
+"""
+
+import re
+
+from lib.core.enums import HTTP_HEADER
+from lib.core.settings import WAF_ATTACK_VECTORS
+
+__product__ = "SecureSphere Web Application Firewall (Imperva)"
+
+def detect(get_page):
+    retval = False
+
+    for vector in WAF_ATTACK_VECTORS:
+        page, _, _ = get_page(get=vector)
+        retval = re.search(r"<H2>Error</H2>.+?#FEEE7A.+?<STRONG>Error</STRONG>|Contact support for additional information.<br/>The incident ID is: (\\d{19}|N/A)", page or "", re.I) is not None
+        if retval:
+            break
+
+    return retval