diff --git a/tools/test/h5dump/CMakeTests.cmake b/tools/test/h5dump/CMakeTests.cmake
index bcbb1c1afbc..ec0a8f0786e 100644
--- a/tools/test/h5dump/CMakeTests.cmake
+++ b/tools/test/h5dump/CMakeTests.cmake
@@ -344,6 +344,7 @@
       ${HDF5_TOOLS_DIR}/testfiles/tCVE_2018_11206_fill_old.h5
       ${HDF5_TOOLS_DIR}/testfiles/tCVE_2018_11206_fill_new.h5
       ${HDF5_TOOLS_DIR}/testfiles/zerodim.h5
+      ${HDF5_TOOLS_DIR}/testfiles/tCVE-2021-37501_attr_decode.h5
       #STD_REF_OBJ files
       ${HDF5_TOOLS_DIR}/testfiles/trefer_attr.h5
       ${HDF5_TOOLS_DIR}/testfiles/trefer_compat.h5
@@ -1340,6 +1341,9 @@
   ADD_H5_TEST (tCVE_2018_11206_fill_old 1 tCVE_2018_11206_fill_old.h5)
   ADD_H5_TEST (tCVE_2018_11206_fill_new 1 tCVE_2018_11206_fill_new.h5)
 
+  # test to verify fix for CVE-2021-37501: multiplication overflow in H5O__attr_decode()
+  ADD_H5_TEST (tCVE-2021-37501_attr_decode 1 tCVE-2021-37501_attr_decode.h5)
+
   # onion VFD tests
   ADD_H5_TEST (tst_onion_objs 0 --enable-error-stack --vfd-name onion --vfd-info 3 tst_onion_objs.h5)
   ADD_H5_TEST (tst_onion_dset_ext 0 --enable-error-stack --vfd-name onion --vfd-info 1 tst_onion_dset_ext.h5)
diff --git a/tools/test/h5dump/testh5dump.sh.in b/tools/test/h5dump/testh5dump.sh.in
index 24807cb5300..3f20972d4bf 100644
--- a/tools/test/h5dump/testh5dump.sh.in
+++ b/tools/test/h5dump/testh5dump.sh.in
@@ -183,6 +183,7 @@ $SRC_H5DUMP_TESTFILES/tvms.h5
 $SRC_H5DUMP_TESTFILES/err_attr_dspace.h5
 $SRC_H5DUMP_TESTFILES/tCVE_2018_11206_fill_old.h5
 $SRC_H5DUMP_TESTFILES/tCVE_2018_11206_fill_new.h5
+$SRC_H5DUMP_TESTFILES/tCVE-2021-37501_attr_decode.h5
 $SRC_H5DUMP_TESTFILES/tst_onion_objs.h5
 $SRC_H5DUMP_TESTFILES/tst_onion_objs.h5.onion
 $SRC_H5DUMP_TESTFILES/tst_onion_dset_ext.h5
@@ -1495,6 +1496,9 @@ TOOLTEST err_attr_dspace.ddl err_attr_dspace.h5
 TOOLTEST_FAIL tCVE_2018_11206_fill_old.h5
 TOOLTEST_FAIL tCVE_2018_11206_fill_new.h5
 
+# test to verify fix for CVE-2021-37501: multiplication overflow in H5O__attr_decode()
+TOOLTEST_FAIL tCVE-2021-37501_attr_decode.h5
+
 # test Onion VFD
 TOOLTEST tst_onion_objs.ddl --enable-error-stack --vfd-name onion --vfd-info 3 tst_onion_objs.h5
 TOOLTEST tst_onion_dset_ext.ddl --enable-error-stack --vfd-name onion --vfd-info 1 tst_onion_dset_ext.h5
diff --git a/tools/testfiles/tCVE-2021-37501_attr_decode.h5 b/tools/testfiles/tCVE-2021-37501_attr_decode.h5
new file mode 100644
index 00000000000..331b05b5936
Binary files /dev/null and b/tools/testfiles/tCVE-2021-37501_attr_decode.h5 differ