8.1

CVE-2023-31486: perl Improper Certificate Validation

CVSS: 8.1v3.1HighModified
AliasesopenSUSE-SU-2023:0222-1openSUSE-SU-2023:0223-1RHSA-2023:6542
Published 28-04-2023Last modified 30-01-2025
Open JSON

Vulnerability summary

CVE-2023-31486 is a high (CVSS 8.1) Improper Certificate Validation vulnerability in perl. EPSS estimates a 1.74% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
1.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
MGASA-2025-0276RHSA-2026:7604

Timeline

  1. 28-04-2023
    PublishedVulnerability first disclosed.
  2. 30-01-2025
    Last modifiedVulnerability information updated.

Description

HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.74%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.74% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opensuse3 products
  • perl-HTTP-Tiny&distro=openSUSE Leap 15.4< 0.086-bp154.2.3.1
  • perl-HTTP-Tiny&distro=openSUSE Leap 15.5< 0.086-bp155.3.3.1
  • perl-HTTP-Tiny&distro=openSUSE Tumbleweed< 0.086-1.1
Debian2 products
  • libhttp-tiny-perlAll versions (No fix recorded) | < 0.088-1
  • perlAll versions (No fix recorded) | < 5.38.2-2
Suse2 products
  • perl-HTTP-Tiny&distro=SUSE Package Hub 15 SP4< 0.086-bp154.2.3.1
  • perl-HTTP-Tiny&distro=SUSE Package Hub 15 SP5< 0.086-bp155.3.3.1
Ubuntu2 products
  • libhttp-tiny-perlAll versions (No fix recorded)
  • perlAll versions (No fix recorded)
Perl1 product
Redhat1 product
  • perl-HTTP-Tiny< 0:0.076-461.el9_2 | < 0:0.076-461.el9 | < 0:0.074-2.el8 | < 0:0.074-1.el8_6.1 | < 0:0.074-1.el8_8.2

6 vendors · 11 products

References

36 links
Show all 36 references