Vulnerability in IBM Cognos Controller
CVE-2021-20450
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 196640.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- IBM Cognos Controller — versions 10.4.1, 10.4.2, 11.0.0
- IBM Cognos Controller — versions 10.4.1, 10.4.2, 11.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ibm.com/support/pages/node/7149876 (vendor-advisory, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/196640 (vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20450?
- CVE-2021-20450 is a medium-severity vulnerability in IBM Cognos Controller, classified under Reliance on Cookies without Validation and Integrity Checking. CVSS score: 4.3/10. Published 2024-05-03.
- How severe is CVE-2021-20450?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-20450 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.