diff --git a/security/keymint/support/include/remote_prov/remote_prov_utils.h b/security/keymint/support/include/remote_prov/remote_prov_utils.h
index cfc31b3..4e0ce29 100644
--- a/security/keymint/support/include/remote_prov/remote_prov_utils.h
+++ b/security/keymint/support/include/remote_prov/remote_prov_utils.h
@@ -227,6 +227,10 @@
  */
 ErrMsgOr<bool> verifyComponentNameInKeyMintDiceChain(const std::vector<uint8_t>& csr);
 
+/** Checks whether the DICE chain in the CSR has a certificate with a non-normal mode. */
+ErrMsgOr<bool> hasNonNormalModeInDiceChain(const std::vector<uint8_t>& csr,
+                                           std::string_view instanceName);
+
 /** Verify the DICE chain. */
 ErrMsgOr<std::vector<BccEntryData>> validateBcc(const cppbor::Array* bcc,
                                                 hwtrust::DiceChain::Kind kind, bool allowAnyMode,
diff --git a/security/keymint/support/remote_prov_utils.cpp b/security/keymint/support/remote_prov_utils.cpp
index 0f7cda6..eaeec32 100644
--- a/security/keymint/support/remote_prov_utils.cpp
+++ b/security/keymint/support/remote_prov_utils.cpp
@@ -970,4 +970,30 @@
     return *satisfied;
 }
 
+ErrMsgOr<bool> hasNonNormalModeInDiceChain(const std::vector<uint8_t>& encodedCsr,
+                                           std::string_view instanceName) {
+    auto diceChainKind = getDiceChainKind();
+    if (!diceChainKind) {
+        return diceChainKind.message();
+    }
+
+    auto csr = hwtrust::Csr::validate(encodedCsr, *diceChainKind, false /*isFactory*/,
+                                      true /*allowAnyMode*/, deviceSuffix(instanceName));
+    if (!csr.ok()) {
+        return csr.error().message();
+    }
+
+    auto diceChain = csr->getDiceChain();
+    if (!diceChain.ok()) {
+        return diceChain.error().message();
+    }
+
+    auto hasNonNormalModeInDiceChain = diceChain->hasNonNormalMode();
+    if (!hasNonNormalModeInDiceChain.ok()) {
+        return hasNonNormalModeInDiceChain.error().message();
+    }
+
+    return *hasNonNormalModeInDiceChain;
+}
+
 }  // namespace aidl::android::hardware::security::keymint::remote_prov
diff --git a/security/keymint/support/remote_prov_utils_test.cpp b/security/keymint/support/remote_prov_utils_test.cpp
index 8e3600c..d86a678 100644
--- a/security/keymint/support/remote_prov_utils_test.cpp
+++ b/security/keymint/support/remote_prov_utils_test.cpp
@@ -484,6 +484,81 @@
         0x30, 0x35, 0x2e, 0x34, 0x32, 0x3a, 0x75, 0x73, 0x65, 0x72, 0x2f, 0x72, 0x65, 0x6c, 0x65,
         0x61, 0x73, 0x65, 0x2d, 0x6b, 0x65, 0x79, 0x73};
 
+inline std::vector<uint8_t> kCsrWithDebugMode{
+        0x85, 0x01, 0xa0, 0x82, 0xa5, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x03,
+        0x09, 0xad, 0x0d, 0x07, 0xec, 0x59, 0xfc, 0x14, 0x31, 0x21, 0x1f, 0xbc, 0x8e, 0x44, 0xe7,
+        0x0f, 0xa9, 0xb7, 0x5a, 0x57, 0x38, 0x5f, 0x76, 0x8a, 0xa3, 0x38, 0x2c, 0xf0, 0x1b, 0x37,
+        0x15, 0x22, 0x58, 0x20, 0x82, 0xae, 0x09, 0x76, 0x9c, 0x1d, 0x18, 0x39, 0x5d, 0x09, 0xf8,
+        0x19, 0x86, 0x70, 0x60, 0x12, 0x1e, 0x06, 0xb3, 0x68, 0x4a, 0x27, 0x2c, 0x79, 0xd3, 0x83,
+        0xb8, 0x54, 0x5b, 0x9f, 0xc0, 0x9f, 0x84, 0x43, 0xa1, 0x01, 0x26, 0xa0, 0x59, 0x01, 0x04,
+        0xa9, 0x01, 0x66, 0x69, 0x73, 0x73, 0x75, 0x65, 0x72, 0x02, 0x67, 0x73, 0x75, 0x62, 0x6a,
+        0x65, 0x63, 0x74, 0x3a, 0x00, 0x47, 0x44, 0x50, 0x58, 0x20, 0x55, 0x55, 0x55, 0x55, 0x55,
+        0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
+        0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x3a, 0x00, 0x47,
+        0x44, 0x52, 0x58, 0x20, 0xb8, 0x96, 0x54, 0xe2, 0x2c, 0xa4, 0xd2, 0x4a, 0x9c, 0x0e, 0x45,
+        0x11, 0xc8, 0xf2, 0x63, 0xf0, 0x66, 0x0d, 0x2e, 0x20, 0x48, 0x96, 0x90, 0x14, 0xf4, 0x54,
+        0x63, 0xc4, 0xf4, 0x39, 0x30, 0x38, 0x3a, 0x00, 0x47, 0x44, 0x53, 0x55, 0xa1, 0x3a, 0x00,
+        0x01, 0x11, 0x71, 0x6e, 0x63, 0x6f, 0x6d, 0x70, 0x6f, 0x6e, 0x65, 0x6e, 0x74, 0x5f, 0x6e,
+        0x61, 0x6d, 0x65, 0x3a, 0x00, 0x47, 0x44, 0x54, 0x58, 0x20, 0x55, 0x55, 0x55, 0x55, 0x55,
+        0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
+        0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x3a, 0x00, 0x47,
+        0x44, 0x56, 0x41, 0x02, 0x3a, 0x00, 0x47, 0x44, 0x57, 0x58, 0x4d, 0xa5, 0x01, 0x02, 0x03,
+        0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x5f, 0xcf, 0x63, 0xcc, 0x24, 0x16, 0x66, 0x11, 0x6c,
+        0xaf, 0xed, 0xf4, 0x02, 0x8f, 0xc9, 0x14, 0xc7, 0x32, 0xa5, 0xdb, 0x41, 0x53, 0x54, 0x34,
+        0xcf, 0xcd, 0x6b, 0x4c, 0xb2, 0x22, 0x89, 0x96, 0x22, 0x58, 0x20, 0x4c, 0xed, 0xe3, 0x92,
+        0x94, 0x8f, 0x04, 0xd6, 0x04, 0x3a, 0x6c, 0x15, 0x5f, 0xbb, 0x52, 0x4a, 0x7d, 0x94, 0xcf,
+        0x31, 0x49, 0x31, 0x28, 0x66, 0x38, 0xe2, 0x40, 0x3e, 0xd0, 0xc1, 0x2b, 0xf4, 0x3a, 0x00,
+        0x47, 0x44, 0x58, 0x41, 0x20, 0x58, 0x40, 0xb6, 0x0b, 0xa7, 0x9c, 0x02, 0x6d, 0x64, 0x98,
+        0x9d, 0x73, 0x1b, 0x74, 0x21, 0x32, 0xf6, 0xb6, 0x1e, 0x6d, 0x07, 0x56, 0x0f, 0x5f, 0x14,
+        0x60, 0xf9, 0x68, 0xb5, 0xee, 0xa5, 0xf9, 0x9b, 0xa9, 0x88, 0x4c, 0x55, 0x75, 0x26, 0xa7,
+        0x84, 0xee, 0x07, 0x8a, 0xdc, 0xeb, 0x6d, 0xfe, 0x53, 0xe4, 0x38, 0xa8, 0x11, 0x1f, 0x57,
+        0xbe, 0x77, 0x51, 0xc7, 0xbe, 0x4b, 0xd5, 0x2f, 0x9c, 0x2a, 0xcd, 0x84, 0x43, 0xa1, 0x01,
+        0x26, 0xa0, 0x59, 0x02, 0x0f, 0x82, 0x58, 0x20, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
+        0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x59, 0x01, 0xe9, 0x84, 0x03,
+        0x67, 0x6b, 0x65, 0x79, 0x6d, 0x69, 0x6e, 0x74, 0xae, 0x65, 0x62, 0x72, 0x61, 0x6e, 0x64,
+        0x66, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x65, 0x66, 0x75, 0x73, 0x65, 0x64, 0x01, 0x65,
+        0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x65, 0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x66, 0x64, 0x65, 0x76,
+        0x69, 0x63, 0x65, 0x66, 0x64, 0x65, 0x76, 0x69, 0x63, 0x65, 0x67, 0x70, 0x72, 0x6f, 0x64,
+        0x75, 0x63, 0x74, 0x65, 0x70, 0x69, 0x78, 0x65, 0x6c, 0x68, 0x76, 0x62, 0x5f, 0x73, 0x74,
+        0x61, 0x74, 0x65, 0x65, 0x67, 0x72, 0x65, 0x65, 0x6e, 0x6a, 0x6f, 0x73, 0x5f, 0x76, 0x65,
+        0x72, 0x73, 0x69, 0x6f, 0x6e, 0x62, 0x31, 0x32, 0x6c, 0x6d, 0x61, 0x6e, 0x75, 0x66, 0x61,
+        0x63, 0x74, 0x75, 0x72, 0x65, 0x72, 0x66, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x6d, 0x76,
+        0x62, 0x6d, 0x65, 0x74, 0x61, 0x5f, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x4f, 0x11, 0x22,
+        0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x6e, 0x73,
+        0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x63, 0x74,
+        0x65, 0x65, 0x70, 0x62, 0x6f, 0x6f, 0x74, 0x5f, 0x70, 0x61, 0x74, 0x63, 0x68, 0x5f, 0x6c,
+        0x65, 0x76, 0x65, 0x6c, 0x1a, 0x01, 0x34, 0x8c, 0x62, 0x70, 0x62, 0x6f, 0x6f, 0x74, 0x6c,
+        0x6f, 0x61, 0x64, 0x65, 0x72, 0x5f, 0x73, 0x74, 0x61, 0x74, 0x65, 0x66, 0x6c, 0x6f, 0x63,
+        0x6b, 0x65, 0x64, 0x72, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x5f, 0x70, 0x61, 0x74, 0x63,
+        0x68, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x1a, 0x01, 0x34, 0x8c, 0x61, 0x72, 0x76, 0x65,
+        0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x70, 0x61, 0x74, 0x63, 0x68, 0x5f, 0x6c, 0x65, 0x76, 0x65,
+        0x6c, 0x1a, 0x01, 0x34, 0x8c, 0x63, 0x82, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21,
+        0x58, 0x20, 0x78, 0xa9, 0x66, 0xc0, 0xc1, 0x92, 0xc9, 0x0d, 0x74, 0xbf, 0x81, 0x99, 0xe6,
+        0x7c, 0x61, 0xb2, 0xc3, 0x41, 0x27, 0x4e, 0x92, 0xd8, 0xd8, 0xf8, 0x34, 0x43, 0x81, 0xe1,
+        0x9c, 0x5f, 0xed, 0xbb, 0x22, 0x58, 0x20, 0x80, 0x05, 0x96, 0xe5, 0x65, 0x7e, 0xa8, 0x5b,
+        0x58, 0xf7, 0x2c, 0xb8, 0x28, 0x95, 0x34, 0x7a, 0x88, 0xd5, 0xe2, 0x1c, 0x20, 0x01, 0xd7,
+        0x60, 0xfe, 0xec, 0xf1, 0x3f, 0x69, 0xfc, 0xc0, 0xa4, 0x23, 0x58, 0x21, 0x00, 0x99, 0xad,
+        0x34, 0x13, 0xf0, 0x7f, 0xaa, 0xf7, 0xda, 0xe9, 0x95, 0xfe, 0x2a, 0x36, 0xf5, 0xac, 0xbb,
+        0xad, 0x39, 0x8f, 0x3f, 0x86, 0x10, 0x39, 0x2c, 0xa9, 0x4c, 0xb9, 0xbb, 0x79, 0x10, 0x45,
+        0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0xd2, 0x94, 0xcb, 0x74, 0x5f,
+        0x9c, 0xc2, 0x1e, 0x47, 0x28, 0x69, 0x85, 0x6e, 0xf2, 0x34, 0x0a, 0x62, 0x90, 0xc3, 0xb0,
+        0xc9, 0x3a, 0xb2, 0x32, 0xdc, 0x99, 0x19, 0x9b, 0x36, 0xde, 0x78, 0xed, 0x22, 0x58, 0x20,
+        0xd9, 0x81, 0x04, 0x83, 0xbb, 0x85, 0x3e, 0x3b, 0x46, 0xe8, 0xe1, 0xa3, 0x8a, 0x04, 0xb9,
+        0x3f, 0x74, 0x4e, 0x5c, 0x96, 0x21, 0x5c, 0x79, 0x0b, 0x8e, 0x4e, 0x7d, 0x61, 0x1b, 0x69,
+        0xb2, 0x46, 0x23, 0x58, 0x20, 0x2f, 0x79, 0xf7, 0xbb, 0xbb, 0x7e, 0xee, 0x15, 0x61, 0xa2,
+        0x78, 0x5f, 0x9c, 0x8c, 0xaf, 0x52, 0xcb, 0xbe, 0x24, 0x31, 0xa8, 0x95, 0x86, 0x8d, 0xed,
+        0x98, 0x80, 0x71, 0x53, 0x91, 0xb3, 0x87, 0x58, 0x40, 0x19, 0xc9, 0xc4, 0x4e, 0x8b, 0xae,
+        0x26, 0x7f, 0xdd, 0x9c, 0xac, 0xe2, 0xbf, 0xe2, 0xfb, 0x3c, 0x3f, 0xd6, 0x6f, 0x9a, 0x97,
+        0xc3, 0x2a, 0x60, 0xfe, 0x0e, 0x9f, 0x11, 0xc9, 0x04, 0xa7, 0xdf, 0xe1, 0x21, 0x1e, 0xc1,
+        0x10, 0x10, 0x64, 0xf7, 0xeb, 0xcc, 0x3a, 0x4c, 0xa6, 0xdf, 0xd8, 0xf5, 0xcc, 0x0d, 0x34,
+        0xa4, 0x32, 0xf4, 0x0a, 0xd7, 0x83, 0x1e, 0x30, 0x0d, 0x68, 0x6a, 0xb4, 0xc1, 0xa1, 0x6b,
+        0x66, 0x69, 0x6e, 0x67, 0x65, 0x72, 0x70, 0x72, 0x69, 0x6e, 0x74, 0x78, 0x3b, 0x62, 0x72,
+        0x61, 0x6e, 0x64, 0x31, 0x2f, 0x70, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x31, 0x2f, 0x64,
+        0x65, 0x76, 0x69, 0x63, 0x65, 0x31, 0x3a, 0x31, 0x31, 0x2f, 0x69, 0x64, 0x2f, 0x32, 0x30,
+        0x32, 0x31, 0x30, 0x38, 0x30, 0x35, 0x2e, 0x34, 0x32, 0x3a, 0x75, 0x73, 0x65, 0x72, 0x2f,
+        0x72, 0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x2d, 0x6b, 0x65, 0x79, 0x73};
+
 inline const std::vector<uint8_t> kCsrWithSharedUdsRoot1{
         0x85, 0x01, 0xa0, 0x82, 0xa5, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x96,
         0xf9, 0xf7, 0x16, 0xa7, 0xe2, 0x20, 0xe3, 0x6e, 0x19, 0x8e, 0xc0, 0xc4, 0x82, 0xc5, 0xca,
@@ -1016,6 +1091,17 @@
     ASSERT_FALSE(*result2) << "Leaf Certificate in CSR contains 'keymint' in component name";
 }
 
+TEST(RemoteProvUtilsTest, checkModeOnCertificatesInDiceChain) {
+    auto hasNonNormalMode = hasNonNormalModeInDiceChain(kCsrWithDebugMode, DEFAULT_INSTANCE_NAME);
+    ASSERT_TRUE(hasNonNormalMode) << hasNonNormalMode.message();
+    ASSERT_TRUE(*hasNonNormalMode);
+
+    auto hasNonNormalModeInDiceChain2 =
+            hasNonNormalModeInDiceChain(kCsrWithUdsCerts, DEFAULT_INSTANCE_NAME);
+    ASSERT_TRUE(hasNonNormalModeInDiceChain2) << hasNonNormalModeInDiceChain2.message();
+    ASSERT_FALSE(*hasNonNormalModeInDiceChain2);
+}
+
 TEST(RemoteProvUtilsTest, parseFullyQualifiedInstanceNames) {
     ASSERT_EQ(deviceSuffix(RKPVM_INSTANCE_NAME), "avf");
     ASSERT_EQ(deviceSuffix(DEFAULT_INSTANCE_NAME), "default");
diff --git a/security/rkp/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp b/security/rkp/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
index 11abd45..f40a752 100644
--- a/security/rkp/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
+++ b/security/rkp/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
@@ -849,6 +849,37 @@
 };
 
 /**
+ * Check that ro.boot.vbmeta.device_state is not "locked" or ro.boot.verifiedbootstate
+ * is not "green" if and only if the mode on at least one certificate in the DICE chain
+ * is non-normal.
+ */
+TEST_P(CertificateRequestV2Test, unlockedBootloaderStatesImpliesNonnormalDiceChain) {
+    auto challenge = randomBytes(MAX_CHALLENGE_SIZE);
+    bytevec csr;
+    auto status =
+            provisionable_->generateCertificateRequestV2({} /* keysToSign */, challenge, &csr);
+    ASSERT_TRUE(status.isOk()) << status.getDescription();
+
+    auto isProper = isCsrWithProperDiceChain(csr, GetParam());
+    ASSERT_TRUE(isProper) << isProper.message();
+    if (!*isProper) {
+        GTEST_SKIP() << "Skipping test: Only a proper DICE chain has a mode set.";
+    }
+
+    auto nonNormalMode = hasNonNormalModeInDiceChain(csr, GetParam());
+    ASSERT_TRUE(nonNormalMode) << nonNormalMode.message();
+
+    auto deviceState = ::android::base::GetProperty("ro.boot.vbmeta.device_state", "");
+    auto verifiedBootState = ::android::base::GetProperty("ro.boot.verifiedbootstate", "");
+
+    ASSERT_EQ(deviceState != "locked" || verifiedBootState != "green", *nonNormalMode)
+            << "ro.boot.vbmeta.device_state = '" << deviceState
+            << "' and ro.boot.verifiedbootstate = '" << verifiedBootState << "', but it is "
+            << *nonNormalMode
+            << " that the DICE chain has a certificate with a non-normal mode set.";
+}
+
+/**
  * Generate an empty certificate request with all possible length of challenge, and decrypt and
  * verify the structure and content.
  */