How severe is CVE-2021-31830?

CVE-2021-31830 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-31830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31830?

CVE-2021-31830 affects Mcafee Database Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31830?

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

When was CVE-2021-31830 published?

CVE-2021-31830 was published on 2021-06-03 and last updated on 2026-06-17.

CVE-2021-31830

CVE-2021-31830 is a medium-severity vulnerability in Mcafee Database Security with a CVSS 3.x base score of 5.9. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 3.5
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mcafee Database Security
Published: 2021-06-03
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows an administrator to embed JavaScript code when configuring the name of a database to be monitored. This would be triggered when any authorized user logs into the DBSec interface and opens the properties configuration page for this database.

Frequently asked questions

What is CVE-2021-31830?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows an administrator to embed JavaScript code when configuring the name of a database to be monitored. This would be triggered when any authorized user logs into the DBSec interface and opens the properties configuration page for this database.
How severe is CVE-2021-31830?: CVE-2021-31830 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-31830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31830?: CVE-2021-31830 affects Mcafee Database Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31830 published?: CVE-2021-31830 was published on 2021-06-03 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10359

Affected products (1)

cpe:2.3:a:mcafee:database_security:*:*:*:*:*:*:*:*

More vulnerabilities in Mcafee Database Security

CVE-2021-23894 — Critical (CVSS 9.6): Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote…
CVE-2021-23895 — Critical (CVSS 9.0): Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote…
CVE-2020-7339 — Medium (CVSS 6.3): Use of a Broken or Risky Cryptographic Algorithm vulnerability in McAfee Database Security Server and Sensor prior to…
CVE-2021-31850 — Medium (CVSS 6.1): A denial-of-service vulnerability in Database Security (DBS) prior to 4.8.4 allows a remote authenticated administrator…
CVE-2019-3615 — Medium (CVSS 5.3): Data Leakage Attacks vulnerability in the web interface in McAfee Database Security prior to the 4.6.6 March 2019…
CVE-2021-31831 — Medium (CVSS 4.9): Incorrect access to deleted scripts vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote…

All CVEs affecting Mcafee Database Security →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →