Is CVE-2011-2483 in the CISA KEV catalog?

No. CVE-2011-2483 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2483?

CVE-2011-2483 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2011-2483?

CVE-2011-2483 has an EPSS score of 4.97% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2483?

Upgrade crypt blowfish to 1.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2011-2483

MEDIUMEPSS 91th pctl

5.0

CVSS v2

NVD

Description

crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

CWE-310Cryptographic Issues

How to fix

Remediation Available

crypt blowfishNVD

Affected:< 1.1Fixed in:1.1CVE-2011-2483derived from NVD

phpNVD

Affected:< 5.3.7Fixed in:5.3.7CVE-2011-2483derived from NVD

postgresqlNVD

Affected:>= 9.0.0, < 9.0.5Fixed in:9.0.5CVE-2011-2483derived 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

4.97%probability of exploitation in 30 days

91stpercentile

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

References

Patch3

Third-Party Advisory10

Mailing List1

lists.apple.com

Other references8

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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.