Is CVE-2011-1526 in the CISA KEV catalog?

No. CVE-2011-1526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1526?

CVE-2011-1526 has a CVSS v2 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2011-1526?

CVE-2011-1526 has an EPSS score of 3.94% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1526?

Upgrade krb5-appl to 1.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2011-1526

MEDIUMEPSS 89th pctl

6.5

CVSS v2

NVD

Description

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

CWE-269Improper Privilege Management

How to fix

Remediation Available

krb5-applNVD

Affected:< 1.0.1Fixed in:1.0.1CVE-2011-1526derived from NVD

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

3.94%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	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.