CVE-2020-14393
CVE-2020-14393 is a high-severity vulnerability in Perl Database Interface with a CVSS 3.x base score of 7.1. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 3.6
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Perl Database Interface
- Published:
- Last modified:
Description
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
Frequently asked questions
- What is CVE-2020-14393?
- A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
- How severe is CVE-2020-14393?
- CVE-2020-14393 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2020-14393 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-14393?
- CVE-2020-14393 primarily affects Perl Database Interface. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-14393?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-14393 published?
- CVE-2020-14393 was published on 2020-09-16 and last updated on 2026-06-17.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1877409
- https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643
Affected products (4)
- cpe:2.3:a:perl:database_interface:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
More vulnerabilities in Perl Database Interface
- CVE-2020-14392 — Medium (CVSS 5.5): An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. A local attacker who is able to manipulate calls…
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