KGOLDOV Apache::AuthAny up to 0.201 on Perl rand generation of predictable numbers or identifiers

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in KGOLDOV Apache::AuthAny up to 0.201 on Perl. This affects the function rand. This manipulation causes generation of predictable numbers or identifiers. This vulnerability appears as CVE-2025-40933. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in KGOLDOV Apache::AuthAny up to 0.201 on Perl. It has been declared as problematic. Affected by this vulnerability is the function rand. The manipulation with an unknown input leads to a generation of predictable numbers or identifiers vulnerability. The CWE definition for the vulnerability is CWE-340. The product uses a scheme that generates numbers or identifiers that are more predictable than required. As an impact it is known to affect confidentiality. The summary by CVE is:

Apache::AuthAny::Cookie v0.201 or earlier for Perl generates session ids insecurely. Session ids are generated using an MD5 hash of the epoch time and a call to the built-in rand function. The epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage. Predicable session ids could allow an attacker to gain access to systems.

The advisory is shared at metacpan.org. This vulnerability is known as CVE-2025-40933 since 04/16/2025. The exploitation appears to be difficult. The attack can be launched remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Generation of predictable numbers or identifiers
CWE: CWE-340 / CWE-331 / CWE-330
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
09/17/2025 +154 days Advisory disclosed
09/17/2025 +0 days VulDB entry created
09/17/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: metacpan.org
Status: Not defined

CVE: CVE-2025-40933 (🔒)
GCVE (CVE): GCVE-0-2025-40933
GCVE (VulDB): GCVE-100-324673

Entryinfo

Created: 09/17/2025 16:34
Changes: 09/17/2025 16:34 (53)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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