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P4Verified

CVE-2023-27533: curl from 7.0.0 (inclusive), through 7.881 (inclusive); +12 more affected products

CVE-2023-27533. CVSS 3.1 base score 8.8 (HIGH, NVD). EPSS 0.01993 (percentile 0.80145), scored 13-Oct-2026.

Affected technology

curl · from 7.0.0 (inclusive), through 7.881 (inclusive)
haxx

fedora · 36
fedoraproject

active iq unified manager · Version not applicable in the source CPE
netapp

clustered data ontap · 9.0
netapp

h300s firmware · Version not applicable in the source CPE
netapp

h500s firmware · Version not applicable in the source CPE
netapp

h700s firmware · Version not applicable in the source CPE
netapp

h410s firmware · Version not applicable in the source CPE
netapp

universal forwarder · from 8.2.0 (inclusive), before 8.2.12 (exclusive)
splunk

universal forwarder · from 9.0.0 (inclusive), before 9.0.6 (exclusive)
splunk

universal forwarder · 9.1.0
splunk

https://github.com/curl/curl · Fixed in 8.0.0
Vendor not specified by the source

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker may pass on maliciously crafted user name and "telnet options" during server negotiation. NVD’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published

CWE
CWE-74, CWE-75
CCR priority
35.7 /100 (P4)
CVSS 3.1
8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · NVD
EPSS
0.01993 · percentile 0.80145 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2023-27533.html