How severe is CVE-2013-5606?

CVE-2013-5606 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2013-5606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5606?

CVE-2013-5606 primarily affects Mozilla Network Security Services. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5606?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-5606 published?

CVE-2013-5606 was published on 2013-11-18 and last updated on 2026-06-16.

CVE-2013-5606

CVE-2013-5606 is a medium-severity vulnerability in Mozilla Network Security Services with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mozilla Network Security Services
Published: 2013-11-18
Last modified: 2026-06-16

Description

The CERT_VerifyCert function in lib/certhigh/certvfy.c in Mozilla Network Security Services (NSS) 3.15 before 3.15.3 provides an unexpected return value for an incompatible key-usage certificate when the CERTVerifyLog argument is valid, which might allow remote attackers to bypass intended access restrictions via a crafted certificate.

Frequently asked questions

What is CVE-2013-5606?: The CERT_VerifyCert function in lib/certhigh/certvfy.c in Mozilla Network Security Services (NSS) 3.15 before 3.15.3 provides an unexpected return value for an incompatible key-usage certificate when the CERTVerifyLog argument is valid, which might allow remote attackers to bypass intended access restrictions via a crafted certificate.
How severe is CVE-2013-5606?: CVE-2013-5606 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2013-5606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5606?: CVE-2013-5606 primarily affects Mozilla Network Security Services. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5606 published?: CVE-2013-5606 was published on 2013-11-18 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:mozilla:network_security_services:3.15:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.15.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:3.15.2:*:*:*:*:*:*:*

More vulnerabilities in Mozilla Network Security Services

CVE-2014-1544 — Critical (CVSS 10.0): Use-after-free vulnerability in the CERT_DestroyCertificate function in libnss3.so in Mozilla Network Security Services…
CVE-2019-17006 — Critical (CVSS 9.8): In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks. In cases…
CVE-2017-5461 — Critical (CVSS 9.8): Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and…
CVE-2015-7182 — Critical (CVSS 9.8): Heap-based buffer overflow in the ASN.1 decoder in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x…
CVE-2014-1490 — Critical (CVSS 9.3): Race condition in libssl in Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before…
CVE-2009-2404 — Critical (CVSS 9.3): Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as…

All CVEs affecting Mozilla Network Security Services →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →