Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-4876

21
FAUCET Score

CVE-2020-4876 is an XML External Entity (XXE) injection vulnerability affecting IBM Cognos Controller versions 10.4.0, 10.4.1, and 10.4.2. This flaw allows a remote attacker to exploit the XML processing mechanism, potentially leading to sensitive information disclosure or denial-of-service due to memory exhaustion. Rated with a CVSS score of 8.2 (High), it requires no user interaction and has low attack complexity, making it a significant risk. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
10.4.0CPE matchmatch criteria
cpe:2.3:a:ibm:cognos_controller:10.4.0:*:*:*:*:*:*:*
10.4.1CPE matchmatch criteria
cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*
10.4.2CPE matchmatch criteria
cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 58th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/190839
VDB EntryVendor Advisory
ibm.com / support/pages/node/6509856
Vendor Advisory