Home/CVE/PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
CVE

CVE-2023-2533

PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially crafted malicious link, potentially leading to unauthorized changes.

HIGH · CVSS 8.4 ⚠ CISA KEV EPSS 0.36322
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-352Cross-Site Request Forgery (CSRF)
CWE-352Cross-Site Request Forgery (CSRF)
▤

Affected Products & Versions

6
papercut mf< 20.1.8
papercut mf>= 21.0.0 and < 21.2.12
papercut mf>= 22.0.0 and < 22.1.1
papercut ng< 20.1.8
papercut ng>= 21.0.0 and < 21.2.12
papercut ng>= 22.0.0 and <= 22.1.1
⚠

Public Exploits & PoCs

1
pocfluidattacks.com · arcangelfluidattacks.com
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS PaperCut MF/NG RCE vis Cross-Site Request Forgery (CVE-2023-2533)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

8.4
HIGH · CVSS v3.1 · help@fluidattacks.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jun 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2023-2533
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2533US Government Resource
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