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🔴 Perl CPAN, Insecure TLS Certificate Verification, #CVE-2023-31484 (High) -DC-Oct2026-3102 https://dailycve.com/perl-cpan-insecure-tls-certificate-verification-cve-2023-31484-high-dc-oct2026-3102/
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CVE-2023-31484(cpanpm_project / cpanpm)
LOWCVSS 8.1 · HIGHSignal is active with 1 mentions in latest observed window
Immediate actions
- Track advisory updates for patch or workaround availability
Recommended action window: Monitor and triage in normal cycle
NVD description
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
0.5/ 10 priority
Sources & remediation
Patch / fix
- http://www.openwall.com/lists/oss-security/2023/04/29/1
- http://www.openwall.com/lists/oss-security/2023/05/03/3
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
- https://www.openwall.com/lists/oss-security/2023/04/18/14
- http://www.openwall.com/lists/oss-security/2023/04/29/1
Exploit / PoC references
Other references
- http://www.openwall.com/lists/oss-security/2023/05/03/5
- http://www.openwall.com/lists/oss-security/2023/05/07/2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
- https://metacpan.org/dist/CPAN/changes
Weakness type (CWE)
CWE-295
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
NONE
Are you affected?
If you run products in this scope, you should treat this CVE as relevant to your environment.
- cpanpm
- perl
Threat summary
- 1 mentions across 1 observed day
What's happening
- 1 total mentions across 1 day
Affected systems
Vendors
Products
cpanpmperl
Deep dive
Activity timeline1 mentions / 1d
Referenced assets1 URL
Full discourse1 post
CPE platform detail2 entries
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | cpanpm_project | cpanpm | - | - | - |
| App | perl | perl | - | - | - |