How severe is CVE-2020-4140?

CVE-2020-4140 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-4140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4140?

CVE-2020-4140 affects Ibm Security Siteprotector System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4140?

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

When was CVE-2020-4140 published?

CVE-2020-4140 was published on 2021-11-12 and last updated on 2026-06-17.

CVE-2020-4140

CVE-2020-4140 is a medium-severity vulnerability in Ibm Security Siteprotector System with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ibm Security Siteprotector System
Published: 2021-11-12
Last modified: 2026-06-17

Description

IBM Security SiteProtector System 3.1.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 174052.

Frequently asked questions

What is CVE-2020-4140?: IBM Security SiteProtector System 3.1.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 174052.
How severe is CVE-2020-4140?: CVE-2020-4140 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-4140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4140?: CVE-2020-4140 affects Ibm Security Siteprotector System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4140 published?: CVE-2020-4140 was published on 2021-11-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_siteprotector_system:3.1.1.0:*:*:*:*:*:*:*

More vulnerabilities in Ibm Security Siteprotector System

CVE-2020-4150 — Critical (CVSS 9.8): IBM SiteProtector Appliance 3.1.1 contains hard-coded credentials, such as a password or cryptographic key, which it…
CVE-2015-0160 — Critical (CVSS 9.0): IBM Security SiteProtector System 3.0 before 3.0.0.7, 3.1 before 3.1.0.4, and 3.1.1 before 3.1.1.2 allows remote…
CVE-2015-0172 — High (CVSS 7.5): IBM Security SiteProtector System 3.0, 3.1.0 and 3.1.1 allows remote attackers to bypass intended security restrictions…
CVE-2015-0162 — High (CVSS 7.0): IBM Security SiteProtector System 3.0, 3.1, and 3.1.1 allows local users to gain privileges.
CVE-2015-0161 — Medium (CVSS 6.5): SQL injection vulnerability in IBM Security SiteProtector System 3.0 before 3.0.0.7, 3.1 before 3.1.0.4, and 3.1.1…
CVE-2020-4138 — Medium (CVSS 5.5): IBM SiteProtector Appliance 3.1.1 allows web pages to be stored locally which can be read by another user on the…

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