Is CVE-2012-1015 in the CISA KEV catalog?

No. CVE-2012-1015 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-1015?

CVE-2012-1015 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2012-1015?

CVE-2012-1015 has an EPSS score of 4.81% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-1015?

Upgrade krb5 on debian 11 to 1.10.1+dfsg-2 or later.

CVE & CISA-KEV Catalog

CVE-2012-1015

HIGHEPSS 91th pctl

9.3

CVSS v2

NVD

Description

The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.

CWE-20Improper Input Validation

How to fix

Remediation Available

krb5Debian

Fixed in:1.10.1+dfsg-2CVE-2012-1015

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

4.81%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

web.mit.edu

Other references4

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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.