diff --git a/cves/2021/CVE-2021-22873.yaml b/cves/2021/CVE-2021-22873.yaml
new file mode 100644
index 0000000000..66e7735651
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+++ b/cves/2021/CVE-2021-22873.yaml
@@ -0,0 +1,29 @@
+id: CVE-2021-22873
+
+info:
+  name: Revive Adserver < 5.1.0 Open Redirect
+  author: pudsec
+  severity: low
+  description: Revive Adserver before 5.1.0 is vulnerable to open redirects via the dest, oadest, and ct0 parameters of the lg.php and ck.php delivery scripts.
+  reference: https://nvd.nist.gov/vuln/detail/CVE-2021-22873
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/ads/www/delivery/lg.php?dest=http://example.com"
+      - "{{BaseURL}}/adserve/www/delivery/lg.php?dest=http://example.com"
+      - "{{BaseURL}}/adserver/www/delivery/lg.php?dest=http://example.com"
+      - "{{BaseURL}}/openx/www/delivery/lg.php?dest=http://example.com"
+      - "{{BaseURL}}/revive/www/delivery/lg.php?dest=http://example.com"
+      - "{{BaseURL}}/www/delivery/lg.php?dest=http://example.com"
+
+    redirects: true
+    matchers-condition: and
+    matchers:
+      - type: status
+        status:
+          - 200
+      - type: word
+        words:
+          - "<title>Example Domain</title>"
+        part: body