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Fencer Vulns
high 7.1

CVE-2020-4520 json

IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim…

published 2021-05-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25767

cvss
7.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.

Patch / fix

Exploit prediction

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.1 CVSS:3.0/C:H/PR:L/S:U/I:H/UI:R/AV:N/AC:H/A:H/RC:C/E:U/RL:O
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.0 7.1 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • IBM Cognos Analytics

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.