How severe is CVE-2021-29770?

CVE-2021-29770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-29770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29770?

CVE-2021-29770 primarily affects Ibm I2 Analyze. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29770?

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

When was CVE-2021-29770 published?

CVE-2021-29770 was published on 2021-07-26 and last updated on 2026-06-17.

CVE-2021-29770

CVE-2021-29770 is a medium-severity vulnerability in Ibm I2 Analyze with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm I2 Analyze
Published: 2021-07-26
Last modified: 2026-06-17

Description

IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow an authenticated user to perform unauthorized actions due to hazardous input validation. IBM X-Force ID: 202771.

Frequently asked questions

What is CVE-2021-29770?: IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow an authenticated user to perform unauthorized actions due to hazardous input validation. IBM X-Force ID: 202771.
How severe is CVE-2021-29770?: CVE-2021-29770 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-29770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29770?: CVE-2021-29770 primarily affects Ibm I2 Analyze. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29770 published?: CVE-2021-29770 was published on 2021-07-26 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:i2_analyze:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i2_analyze:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i2_analyze:4.3.2:*:*:*:*:*:*:*

More vulnerabilities in Ibm I2 Analyze

CVE-2021-29766 — Medium (CVSS 5.3): IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow a remote attacker to obtain…
CVE-2021-20430 — Medium (CVSS 5.3): IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) could allow a remote attacker to obtain…
CVE-2021-29784 — Medium (CVSS 4.3): IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2 could allow a remote attacker to obtain sensitive information when a detailed…
CVE-2021-29769 — Medium (CVSS 4.3): IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) does not set the secure attribute on…

All CVEs affecting Ibm I2 Analyze →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →