Is CVE-2012-0920 in the CISA KEV catalog?

No. CVE-2012-0920 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0920?

CVE-2012-0920 has a CVSS v2 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2012-0920?

CVE-2012-0920 has an EPSS score of 6.49% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-0920?

Upgrade dropbear on debian 11 to 2012.55-1 or later.

CVE & CISA-KEV Catalog

CVE-2012-0920

HIGHEPSS 93th pctl

7.1

CVSS v2

NVD

Description

Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."

CWE-399Resource Management Errors

How to fix

Remediation Available

dropbearDebian

Fixed in:2012.55-1CVE-2012-0920

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

6.49%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory6

Other references1

osvdb.org

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	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 2026-04-29.