CVE-2023-3247

mediumpriority · track · 17OT risk · elevatedEPSS 0.007 · 53 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.71% (53rd) EPSS
CVSS 4.3 · medium
Is it mine?
72 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-23

In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce. 

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.6–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4
v3.12.6lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · CISA US
v3.14.3mediumAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.12.6lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU
v3.12.6lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · security@php.netexploitability 1.2 · impact 1.4
v3.12.6lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:Nsecondary · Siemens ProductCERT DE
v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-330USprimaryCWE-252USCWE-252USCWE-252USCWE-330US
05

affected products (72)

Products and version ranges known to be affected.

showing 20 of 72
06

advisories (8)

Vendor and ecosystem advisories describing this.

  • SSA-806742SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.42024-02-13csaf · siemens_psirtDE

    SCALANCE XCM-/XRM-300 before V2.4 is affected by multiple vulnerabilities. Siemens has released an update for SCALANCE X-300 and recommends to update to the latest version.

  • WID-SEC-W-2023-1506PHP: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2023-06-19csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PHP ausnutzen, um Informationen offenzulegen.

  • WID-SEC-W-2023-2680Oracle Communications Applications: Mehrere SchwachstellenDeutsch2023-10-17csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications Applications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

  • WID-SEC-W-2023-2917Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.

  • ICSA-24-046-11Siemens SCALANCE XCM-/XRM-3002024-02-13icsa · cisa_csaf_otUS

    SCALANCE XCM-/XRM-300 before V2.4 is affected by multiple vulnerabilities. Siemens has released an update for SCALANCE X-300 and recommends to update to the latest version.

  • BIT-libphp-2023-3247Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP2025-08-11vendor · osvUS

    In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

  • BIT-php-2023-3247Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP2024-03-06vendor · osvUS

    In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

  • BIT-php-min-2023-3247Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP2025-01-14vendor · osvUS

    In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

07

also known as (7)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundcisa_csaf_otsiemens_psirtNVDCVE.orgMITRE
published 2023-07-22modified 2026-06-17
10

references (11)

External citations — patches, advisories, analysis.

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