CVE Tools
Track your stack

CVE-2020-29362

No known exploitation. EPSS puts it in the 83rd percentile. Fixed in 0.23.22.

CVSS 3.15.3MediumEPSS percentile83rd2.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix0.23.22Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • P11-kit Project P11-kitAffected: ≥ 0.23.6, < 0.23.22Upgrade to: 0.23.22Stated by: NVD
  • Сообщество свободного программного обеспечения Debian GNU/LinuxAffected: 9Upgrade to: not statedStated by: BDU
  • ООО «РусБИТех-Астра» Astra Linux Special EditionAffected: 1.6 «Смоленск»Upgrade to: not statedStated by: BDU
  • ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»Affected: 8.1 «Ленинград»Upgrade to: not statedStated by: BDU
  • Daiki Ueno P11-kitAffected: от 0.21.1 до 0.23.22Upgrade to: not statedStated by: BDU

Versions as the sources state them. 2 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS83rd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

2.3% chance of exploitation activity in the next 30 days, which ranks it in the 83rd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

8 events over 2128 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. OpenVAS check added
  3. Patch availablerecord updated
  4. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 5.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 21 more references. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for ООО «РусБИТех-Астра», not every advisory.