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Fencer Vulns
medium 5.5

CVE-2020-13434 json

SQLite through 3.32.0 has an integer overflow in sqlite3_str_vappendf in printf.c.

published 2020-05-24 6 y ago modified 2026-10-14 25 d ago also BIT-sqlite-2020-13434 , EUVD-2020-5687

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

SQLite through 3.32.0 has an integer overflow in sqlite3_str_vappendf in printf.c.

Patch / fix

  • bitnami sqlite 3.32.1
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.5
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • sqlite3 Debian 14, Debian 13, Debian 12 3.32.1-1

debian advisories DEBIAN-CVE-2020-13434

  • sqlite3 Ubuntu 16.04 LTS 3.11.0-1ubuntu1.5
  • sqlite3 Ubuntu 18.04 LTS 3.22.0-1ubuntu0.4
  • sqlite3 Ubuntu 20.04 LTS 3.31.1-4ubuntu0.1

ubuntu advisories UBUNTU-CVE-2020-13434

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • sqlite RHEL 8 3.26.0-13.el8
  • lemon RHEL 8 3.26.0-13.el8
  • sqlite-libs RHEL 8 3.26.0-13.el8
  • mingw-bzip2 RHEL 8 1.0.6-14.el8
  • mingw-sqlite RHEL 8 3.26.0.0-1.el8
  • mingw32-bzip2 RHEL 8 1.0.6-14.el8
  • mingw64-bzip2 RHEL 8 1.0.6-14.el8
  • mingw-binutils RHEL 8 2.30-3.el8

red hat advisories RHSA-2021:1581RHSA-2021:1968

  • sqlite3 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 3.36.0-9.18.1
  • sqlite3 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +13 more 3.36.0-3.12.1

suse advisories SUSE-SU-2021:3215-1SUSE-SU-2021:2320-1

  • sqlite3 openSUSE Tumbleweed 3.36.0-1.2
  • sqlite3 openSUSE Leap 15.2 3.36.0-lp152.4.3.1
  • sqlite3 openSUSE Leap 15.3 3.36.0-3.12.1

opensuse advisories openSUSE-SU-2024:11400-1openSUSE-SU-2021:1058-1openSUSE-SU-2021:2320-1

  • mingw32-bzip2 AlmaLinux 8 1.0.6-14.el8
  • mingw64-bzip2 AlmaLinux 8 1.0.6-14.el8
  • mingw32-sqlite AlmaLinux 8 3.26.0.0-1.el8
  • mingw64-sqlite AlmaLinux 8 3.26.0.0-1.el8
  • mingw32-binutils AlmaLinux 8 2.30-3.el8
  • mingw64-binutils AlmaLinux 8 2.30-3.el8
  • mingw32-filesystem AlmaLinux 8 104-2.el8
  • mingw64-filesystem AlmaLinux 8 104-2.el8

almalinux advisories ALSA-2021:1968

  • mingw-bzip2 Rocky Linux 8 1.0.6-14.el8
  • mingw-sqlite Rocky Linux 8 3.26.0.0-1.el8
  • mingw-binutils Rocky Linux 8 2.30-3.el8
  • sqlite Rocky Linux 8 3.26.0-13.el8

rocky linux advisories RLSA-2021:1968RLSA-2021:1581

  • sqlite Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 3.32.1-r0

alpine advisories ALPINE-CVE-2020-13434

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ceph Azure Linux 3.0 18.2.1-1

azure linux advisories AZL-38614

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-13434 updated cvss 5.5

sqlite: integer overflow in sqlite3_str_vappendf function in printf.c

  • Red Hat Enterprise Linux 5 sqlite Red Hat Enterprise Linux 6 lemon, sqlite, sqlite-tcl
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) mingw-bzip2 1.0.6-14.el8, mingw-binutils 2.30-3.el8, mingw-filesystem 104-2.el8, mingw32-bzip2 1.0.6-14.el8, mingw64-bzip2 1.0.6-14.el8, mingw-sqlite 3.26.0.0-1.el8, +8 more
    fixed: vendor fix RHSA-2021:1968
  • Red Hat Enterprise Linux AppStream (v. 8) lemon 3.26.0-13.el8 Red Hat Enterprise Linux BaseOS (v. 8) sqlite 3.26.0-13.el8, sqlite-libs 3.26.0-13.el8
    fixed: vendor fix RHSA-2021:1581
  • Red Hat Openshift Data Foundation 4.19 odf4 v4.19-1757571573, odf4 v4.19-1757571580, odf4 v4.19-1757571599, odf4 v4.19-1757571617, odf4 v4.19-1757571651, odf4 v4.19-1757571685, +14 more
    fixed: vendor fix RHSA-2025:16504
  • Red Hat Enterprise Linux 7 lemon, sqlite, sqlite-tcl Red Hat Openshift Data Foundation 4.19 odf4 v4.19-1757583187, odf4 v4.19-1757583190, odf4 v4.19-1757583196, odf4 v4.19-1757583200, odf4 v4.19-1757583205, odf4 v4.19-1757583213, +4 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-26-141-03 updated cvss 5.5

ABB B&R Automation Studio

  • ABB B&R Automation Studio <6.5
    affected: vendor fix, mitigation
  • ABB B&R Automation Studio 6.5
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-348-10 updated cvss 5.5

Siemens SIMATIC S7-1500

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.0, < 3.1.5
    affected: fixed in V3.1.5, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sqlite.org https://www.sqlite.org/src/info/23439ea582241138 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami sqlite
<3.32.1
3.32.1

Affected products

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.