How severe is CVE-2020-4849?

CVE-2020-4849 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-4849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4849?

CVE-2020-4849 affects Ibm Tivoli Netcool/impact. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-4849 published?

CVE-2020-4849 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-4849

CVE-2020-4849 is a medium-severity vulnerability in Ibm Tivoli Netcool/impact with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Ibm Tivoli Netcool/impact
Published: 2020-12-15
Last modified: 2026-06-17

Description

IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7 could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a vitcim to a phishing site. IBM X-Force ID: 190294.

Frequently asked questions

What is CVE-2020-4849?: IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.19 Interim Fix 7 could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a vitcim to a phishing site. IBM X-Force ID: 190294.
How severe is CVE-2020-4849?: CVE-2020-4849 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-4849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4849?: CVE-2020-4849 affects Ibm Tivoli Netcool/impact. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4849 published?: CVE-2020-4849 was published on 2020-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:tivoli_netcool\/impact:*:*:*:*:*:*:*:*

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