How severe is CVE-2020-29362?

CVE-2020-29362 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-29362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29362?

CVE-2020-29362 affects P11-kit Project P11-kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29362?

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

When was CVE-2020-29362 published?

CVE-2020-29362 was published on 2020-12-16 and last updated on 2026-06-17.

CVE-2020-29362

CVE-2020-29362 is a medium-severity vulnerability in P11-kit Project P11-kit with a CVSS 3.x base score of 5.3. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: P11-kit Project P11-kit
Published: 2020-12-16
Last modified: 2026-06-17

Description

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Frequently asked questions

What is CVE-2020-29362?: An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.
How severe is CVE-2020-29362?: CVE-2020-29362 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-29362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29362?: CVE-2020-29362 affects P11-kit Project P11-kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29362 published?: CVE-2020-29362 was published on 2020-12-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:*

More vulnerabilities in P11-kit Project P11-kit

CVE-2020-29363 — High (CVSS 7.5): An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC…
CVE-2020-29361 — High (CVSS 7.5): An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array…
CVE-2026-13757 — Medium (CVSS 6.2): A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_attribute() and…
CVE-2026-2100 — Medium (CVSS 5.3): A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on…

All CVEs affecting P11-kit Project P11-kit →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →