diff --git a/integration/out-of-bounds-read.test.ts b/integration/out-of-bounds-read.test.ts
index c5786e2..0b7037c 100644
--- a/integration/out-of-bounds-read.test.ts
+++ b/integration/out-of-bounds-read.test.ts
@@ -23,6 +23,18 @@ describe('Tests aarch64 version', () => {
     expect(response.body.status).to.contain('success')
   })
 
+  test('Handles Exception - aarch64', async () => {
+    const response = await getOutOfBoundsReadAarch64(app, 'pass', 'abc', -28)
+
+    expect(response.status).to.equal(200)
+    expect(response.body.output).to.contain('Storing Secret...\nEnd index must be after start index')
+    expect(response.body.exception).to.deep.contain({
+      killed: false,
+      code: 1,
+      signal: null,
+    })
+  })
+
   test('Bad Parameters - aarch64', async () => {
     const response = await getOutOfBoundsReadAarch64(app, 'badpass', NaN, 'ttttttt')
 
@@ -50,6 +62,23 @@ describe('Tests Cheri version', () => {
 
     expect(response.status).to.equal(200)
     expect(response.body.status).to.contain('error')
+    expect(response.body).to.have.property('exception').that.deep.contain({
+      killed: false,
+      code: 162,
+    })
+    expect(response.body.output).to.contain('In-address space security exception')
+  })
+
+  test('Handles Exception - cheri', async () => {
+    const response = await getOutOfBoundsReadCheri(app, 'pass', 'abc', -28)
+
+    expect(response.status).to.equal(200)
+    expect(response.body.output).to.contain('Storing Secret...\nEnd index must be after start index')
+    expect(response.body.exception).to.deep.contain({
+      killed: false,
+      code: 1,
+      signal: null,
+    })
   })
 
   test('Bad Parameters - cheri', async () => {
diff --git a/package-lock.json b/package-lock.json
index a105a2c..2775aa5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@digicatapult/morello-api",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@digicatapult/morello-api",
-      "version": "0.6.6",
+      "version": "0.6.7",
       "license": "Apache-2.0",
       "dependencies": {
         "body-parser": "^1.20.0",
diff --git a/package.json b/package.json
index ca8d74e..2f36d1e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@digicatapult/morello-api",
-  "version": "0.6.6",
+  "version": "0.6.7",
   "description": "An interface for executing binaries on it's self and morello host.",
   "main": "src/index.ts",
   "scripts": {
diff --git a/src/controllers/scenario/index.ts b/src/controllers/scenario/index.ts
index 82d8fce..b81921d 100644
--- a/src/controllers/scenario/index.ts
+++ b/src/controllers/scenario/index.ts
@@ -42,14 +42,14 @@ ${eof}`
     this.log.debug({ msg: `executing ${bin} on ${this.address} host`, scp, ssh })
 
     return new Promise((resolve) => {
-      exec(`${scp}; ${ssh}`, (err, stdout) => {
+      exec(`${scp}; ${ssh}`, (stderr, stdout, err) => {
         exec(rm) // fire and forget, remove binary file
         return resolve(
-          err
+          stderr
             ? {
                 status: 'error',
-                output: stdout,
-                exception: err,
+                output: err || stdout,
+                exception: stderr,
               }
             : {
                 status: 'success',