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Fencer Vulns
low 2.4

CVE-2024-45687 json

HTTP Server incorrectly accepting disallowed characters within header values

published 2025-01-21 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-41751

cvss
2.4
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') vulnerability in Payara Platform Payara Server (Grizzly, REST Management Interface modules), Payara Platform Payara Micro (Grizzly modules) allows Manipulating State, Identity Spoofing.This issue affects Payara Server: from 4.1.151 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0; Payara Micro: from 4.1.152 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 2.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N
CNA 4.0 2.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Payara Platform Payara Server
  • Payara Platform Payara Micro

Classification

Weakness
  • CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.