Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-13871

21
FAUCET Score

CVE-2020-13871 describes a use-after-free vulnerability in SQLite 3.32.2, specifically within the resetAccumulator function in select.c, due to a timing issue with parse tree rewrites for window functions. This high-severity vulnerability (CVSS 7.5) is remotely exploitable with low attack complexity, potentially leading to a denial of service. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness despite inactive exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
3.32.2CPE matchmatch criteria
cpe:2.3:a:sqlite:sqlite:3.32.2:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:a:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.45%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0445 is in the 83rd percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

gentooworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-13871Moderate

sqlite: use-after-free in resetAccumulator in select.c

Jun 5, 2020

References

cert-portal.siemens.com / productcert/pdf/ssa-389290.pdf
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2020/08/msg00037.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BN32AGQPMHZRNM6P6L5GZPETOWTGXOKP
security.gentoo.org / glsa/202007-26
MitigationThird Party Advisory
security.netapp.com / advisory/ntap-20200619-0002
Third Party Advisory
oracle.com / security-alerts/cpuApr2021.html
Third Party Advisory
oracle.com / security-alerts/cpujan2021.html
Third Party Advisory
sqlite.org / src/info/79eff1d0383179c4
PatchVendor Advisory
sqlite.org / src/info/c8d3b9f0a750a529
ExploitVendor Advisory
sqlite.org / src/info/cd708fa84d2aaaea
ExploitVendor Advisory