CVE-2009-1603

Name: CVE-2009-1603
Creator: NVD / NIST
Published: 2009-05-11T16:30:00.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.09%

Last modified Jun 16, 2026

CVE-2009-1603 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. src/tools/pkcs11-tool.c in pkcs11-tool in OpenSC 0.11.7, when used with unspecified third-party PKCS#11 modules, generates RSA keys with incorrect public exponents, which allows attackers to read the cleartext form of messages that were intended to be encrypted.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

src/tools/pkcs11-tool.c in pkcs11-tool in OpenSC 0.11.7, when used with unspecified third-party PKCS#11 modules, generates RSA keys with incorrect public exponents, which allows attackers to read the cleartext form of messages that were intended to be encrypted.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.09%

61.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Opensc-Project	Opensc	0.11.7
Fedoraproject	Fedora	9
Fedoraproject	Fedora	10
Fedoraproject	Fedora	11

References

http://secunia.com/advisories/35035Broken Link
http://secunia.com/advisories/35293Broken Link
http://secunia.com/advisories/35309Broken Link
http://secunia.com/advisories/36074Broken Link
http://security.gentoo.org/glsa/glsa-200908-01.xmlThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:123Broken Link
http://www.opensc-project.org/pipermail/opensc-announce/2009-May/000025.htmlBroken Link
http://www.openwall.com/lists/oss-security/2009/05/08/1Mailing List, Patch
http://www.vupen.com/english/advisories/2009/1295Broken Link
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00095.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00097.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01420.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01432.htmlMailing List
http://secunia.com/advisories/35035Broken Link
http://secunia.com/advisories/35293Broken Link
http://secunia.com/advisories/35309Broken Link
http://secunia.com/advisories/36074Broken Link
http://security.gentoo.org/glsa/glsa-200908-01.xmlThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:123Broken Link
http://www.opensc-project.org/pipermail/opensc-announce/2009-May/000025.htmlBroken Link
http://www.openwall.com/lists/oss-security/2009/05/08/1Mailing List, Patch
http://www.vupen.com/english/advisories/2009/1295Broken Link
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00095.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00097.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01420.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01432.htmlMailing List

Timeline

Published: May 11, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-1603?

How severe is CVE-2009-1603?

CVE-2009-1603 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2009-1603?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST