How severe is CVE-2021-20434?

CVE-2021-20434 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-20434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20434?

CVE-2021-20434 affects Ibm Security Verify Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-20434?

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

When was CVE-2021-20434 published?

CVE-2021-20434 was published on 2021-09-23 and last updated on 2026-06-17.

CVE-2021-20434

CVE-2021-20434 is a medium-severity vulnerability in Ibm Security Verify Bridge with a CVSS 3.x base score of 4.4. 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-522.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Ibm Security Verify Bridge
Published: 2021-09-23
Last modified: 2026-06-17

Description

IBM Security Verify Bridge 1.0.5.0 stores user credentials in plain clear text which can be read by a local user. IBM X-Force ID: 196346.

Frequently asked questions

What is CVE-2021-20434?: IBM Security Verify Bridge 1.0.5.0 stores user credentials in plain clear text which can be read by a local user. IBM X-Force ID: 196346.
How severe is CVE-2021-20434?: CVE-2021-20434 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-20434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20434?: CVE-2021-20434 affects Ibm Security Verify Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20434 published?: CVE-2021-20434 was published on 2021-09-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_verify_bridge:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Security Verify Bridge

CVE-2021-38864 — High (CVSS 7.5): IBM Security Verify Bridge 1.0.5.0 could allow a user to obtain sensitive information due to improper certificate…
CVE-2021-20442 — High (CVSS 7.5): IBM Security Verify Bridge contains hard-coded credentials, such as a password or cryptographic key, which it uses for…
CVE-2024-45672 — Medium (CVSS 6.0): IBM Security Verify Bridge 1.0.0 through 1.0.15 could allow a local privileged user to overwrite files due to excessive…
CVE-2021-20441 — Medium (CVSS 5.9): IBM Security Verify Bridge uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt…
CVE-2021-38863 — Medium (CVSS 5.5): IBM Security Verify Bridge 1.0.5.0 stores user credentials in plain clear text which can be read by a locally…
CVE-2021-20435 — Medium (CVSS 5.5): IBM Security Verify Bridge 1.0.5.0 does not properly validate a certificate which could allow a local attacker to…

All CVEs affecting Ibm Security Verify Bridge →

Other CWE-522 (Insufficiently Protected Credentials) vulnerabilities

CVE-2026-7312 — Critical (CVSS 10.0): CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to…
CVE-2026-29128 — Critical (CVSS 10.0): IDC SFX2100 Satellite Receiver firmware ships with multiple daemon configuration files for routing components (e.g.,…
CVE-2025-54863 — Critical (CVSS 10.0): Radiometrics VizAir is vulnerable to exposure of the system's REST API key through a publicly accessible configuration…
CVE-2024-12799 — Critical (CVSS 10.0): Insufficiently Protected Credentials vulnerability in OpenText Identity Manager Advanced Edition on Windows, Linux, 64…
CVE-2024-51545 — Critical (CVSS 10.0): Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list…
CVE-2023-1778 — Critical (CVSS 10.0): This vulnerability exists in GajShield Data Security Firewall firmware versions prior to v4.28 (except v4.21) due to…

Browse all CWE-522 (Insufficiently Protected Credentials) vulnerabilities →