CVE-2023-2533 (GCVE-0-2023-2533)

Vulnerability from cvelistv5 – Published: 2023-06-20 14:45 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Title
PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF
Summary
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.
Severity
8.4 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-26 03:55 UTC
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
Fluid Attacks CNA
CNA scorecard B 89/100 over 59 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
PaperCut PaperCut NG/MF Affected: 22.0.10 , < 2.1.1 (custom)
Unaffected: 21.2.12
Unaffected: 20.1.8
guessed Create a notification for this product.
Date Public
2023-06-13 17:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7e6230fd-0326-4cc9-bf51-5dfbc19cd86a

Vulnerability ID: CVE-2023-2533

Status: Confirmed

Status Updated: 2025-07-28 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-07-28
Asserted: 2025-07-28
Scope
Notes: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability | Affected: PaperCut / NG/MF | Description: PaperCut NG/MF contains a cross-site request forgery (CSRF) vulnerability, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-08-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.papercut.com/kb/Main/SecurityBulletinJune2023 ; https://nvd.nist.gov/vuln/detail/CVE-2023-2533
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-352
Feed CISA Known Exploited Vulnerabilities Catalog
Product NG/MF
Due Date 2025-08-18
Date Added 2025-07-28
Vendorproject PaperCut
Vulnerabilityname PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:25 UTC | Updated: 2026-11-04 13:36 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 56b53875-1f84-4427-bef7-728b515ab722

Vulnerability ID: CVE-2023-2533

Status: Confirmed

Status Updated: 2026-06-01 10:37 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF | Affected: PaperCut / PaperCut NG/MF | CVSS: 8.4 (HIGH) | EPSS: 0.2946 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF
Vendor PaperCut
Product PaperCut NG/MF
Added Date 2026-06-01T10:37:36.480Z
Cvss Score 8.4
Epss Score 0.2946
Cvss Severity HIGH
Epss Percentile 0.97941
Used In Malware unknown
Ahead Of Cisa Kev 
{
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Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.