How severe is CVE-2020-4983?

CVE-2020-4983 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4983?

CVE-2020-4983 primarily affects Ibm Spectrum Lsf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-4983 published?

CVE-2020-4983 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2020-4983

CVE-2020-4983 is a high-severity vulnerability in Ibm Spectrum Lsf with a CVSS 3.x base score of 7.8. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ibm Spectrum Lsf
Published: 2021-01-20
Last modified: 2026-06-17

Description

IBM Spectrum LSF 10.1 and IBM Spectrum LSF Suite 10.2 could allow a user on the local network who has privileges to submit LSF jobs to execute arbitrary commands. IBM X-Force ID: 192586.

Frequently asked questions

What is CVE-2020-4983?: IBM Spectrum LSF 10.1 and IBM Spectrum LSF Suite 10.2 could allow a user on the local network who has privileges to submit LSF jobs to execute arbitrary commands. IBM X-Force ID: 192586.
How severe is CVE-2020-4983?: CVE-2020-4983 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4983?: CVE-2020-4983 primarily affects Ibm Spectrum Lsf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4983 published?: CVE-2020-4983 was published on 2021-01-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:spectrum_lsf:10.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:spectrum_lsf_suite:10.2:*:*:*:*:*:*:*

More vulnerabilities in Ibm Spectrum Lsf

CVE-2017-1205 — High (CVSS 8.8): IBM Platform LSF 10.1 contains an unspecified vulnerability that could allow a local user to escalate their privileges…
CVE-2020-4278 — High (CVSS 7.8): IBM Platform LSF 9.1 and 10.1, IBM Spectrum LSF Suite 10.2, and IBM Spectrum Suite for HPA 10.2 could allow a local…
CVE-2018-1724 — Medium (CVSS 5.9): IBM Spectrum LSF 9.1.1 9.1.2, 9.1.3, and 10.1 could allow a local user to change their job user at job submission time…

All CVEs affecting Ibm Spectrum Lsf →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →