Is CVE-2019-9924 in the CISA KEV catalog?

No. CVE-2019-9924 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9924?

CVE-2019-9924 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2019-9924?

CVE-2019-9924 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9924?

Upgrade bash on debian 11 to 4.4-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-9924

HIGH

7.8

CVSS v3

NVD

Description

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.

CWE-862Missing Authorization

How to fix

Remediation Available

bashDebian

Fixed in:4.4-1CVE-2019-9924

bashUbuntu

Fixed in:4.3-7ubuntu1.8+esm1USN-4058-2

Fixed in:4.3-14ubuntu1.4USN-4058-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Vendor Advisory1

git.savannah.gnu.org

Third-Party Advisory6

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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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.