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Fencer Vulns
critical 9.9

CVE-2023-30899 json

A vulnerability has been identified in Siveillance Video 2020 R2 (All versions < V20.2 HotfixRev14), Siveillance Video 2020 R3 (All version…

published 2023-05-09 3 y ago modified 2026-10-23 16 d ago also EUVD-2023-35239

cvss
9.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

A vulnerability has been identified in Siveillance Video 2020 R2 (All versions < V20.2 HotfixRev14), Siveillance Video 2020 R3 (All versions < V20.3 HotfixRev12), Siveillance Video 2021 R1 (All versions < V21.1 HotfixRev12), Siveillance Video 2021 R2 (All versions < V21.2 HotfixRev8), Siveillance Video 2022 R1 (All versions < V22.1 HotfixRev7), Siveillance Video 2022 R2 (All versions < V22.2 HotfixRev5), Siveillance Video 2022 R3 (All versions < V22.3 HotfixRev2), Siveillance Video 2023 R1 (All versions < V23.1 HotfixRev1). The Management Server component of affected applications deserializes data without sufficient validations. This could allow an authenticated remote attacker to execute code on the affected system.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-131-03 updated cvss 9.9

Siemens Siveillance

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Siemens Siveillance Video 2020 R2
  • Siemens Siveillance Video 2020 R3
  • Siemens Siveillance Video 2021 R1
  • Siemens Siveillance Video 2021 R2
  • Siemens Siveillance Video 2022 R1
  • Siemens Siveillance Video 2022 R2
  • Siemens Siveillance Video 2022 R3
  • Siemens Siveillance Video 2023 R1

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

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.