Is CVE-2020-13300 in the CISA KEV catalog?

No. CVE-2020-13300 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-13300?

CVE-2020-13300 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2020-13300?

CVE-2020-13300 has an EPSS score of 1.29% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-13300?

Upgrade gitlab on debian unstable to 13.2.8-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-13300

HIGH

8.0

CVSS v3

NVD

Description

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

CWE-863Incorrect Authorization

How to fix

Remediation Available

gitlabDebian

Fixed in:13.2.8-1CVE-2020-13300

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Exploit Intelligence

1.29%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Third-Party Advisory1

hackerone.com

Other references1

gitlab.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.