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CWE-342

Predictable Exact Value from Previous Values

6 CVEs Avg CVSS 8.2 MITRE
3
CRITICAL
2
HIGH
1
MEDIUM
0
LOW
1
POC
0
KEV

Monthly

CVE-2026-88778 Sep 27, 16:43 HIGH POC PATCH CISA CERT-EU NEWS Act Now

Predictable value generation in Citrix NetScaler ADC and Gateway (CWE-342) lets unauthenticated remote attackers predict subsequent values from previously observed ones, primarily compromising integrity and availability rather than confidentiality. The vendor rates this 8.8 (CVSS 4.0 AV:N/AC:L/PR:N/UI:N, VC:L/VI:H/VA:H), while our independent assessment sees a 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H) indicating a high attack complexity because exploitation typically requires harvesting at least one prior value. Affected versions are ADC before 14.1-73.37 and 13.1-64.23 (also 14.1-73.37 FIPS and 13.1.37.279 FIPS/NDcPP) and Gateway before 14.1-73.37 and 13.1-64.23; vendor patches are available and no public exploit identified at time of analysis.

Information Disclosure Citrix Gateway Adc
NVD GitHub
CVSS 4.0
8.8
EPSS
0.4%
Threat
6.3
CVE-2023-3373 Aug 04, 00:15 CRITICAL Act Now

Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Gt21 Firmware Gs21 Firmware Mitsubishielectric
NVD
CVSS 3.1
9.1
EPSS
0.8%
CVE-2022-29930 May 12, 09:15 MEDIUM PATCH This Month

SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.

Information Disclosure Ktor JetBrains
NVD GitHub
CVSS 3.1
4.9
EPSS
0.8%
CVE-2022-27577 Apr 11, 20:15 CRITICAL Act Now

The vulnerability in the MSC800 in all versions before 4.15 allows for an attacker to predict the TCP initial sequence number. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Msc800 Firmware Sick
NVD
CVSS 3.1
9.1
EPSS
1.4%
CVE-2020-16226 Oct 05, 18:15 CRITICAL Act Now

Multiple Mitsubishi Electric products are vulnerable to impersonations of a legitimate device by a malicious actor, which may allow an attacker to remotely execute arbitrary commands. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Qj71E71 100 Firmware Q03Udecpu Firmware Q06Ccpu V Firmware L26Cpu P Bt Firmware +92
NVD
CVSS 3.1
9.8
EPSS
2.3%
CVE-2014-9196 Jul 20, 01:59 HIGH This Week

Eaton Cooper Power Systems ProView 4.0 and 5.0 before 5.0 11 on Form 6 controls and Idea and IdeaPLUS relays generates TCP initial sequence number (ISN) values linearly, which makes it easier for. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. No vendor patch available.

Information Disclosure Proview Eaton
NVD
CVSS 2.0
7.6
EPSS
2.2%
EPSS 0% 6.3 CVSS 8.8
HIGH POC PATCH Act Now

Predictable value generation in Citrix NetScaler ADC and Gateway (CWE-342) lets unauthenticated remote attackers predict subsequent values from previously observed ones, primarily compromising integrity and availability rather than confidentiality. The vendor rates this 8.8 (CVSS 4.0 AV:N/AC:L/PR:N/UI:N, VC:L/VI:H/VA:H), while our independent assessment sees a 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H) indicating a high attack complexity because exploitation typically requires harvesting at least one prior value. Affected versions are ADC before 14.1-73.37 and 13.1-64.23 (also 14.1-73.37 FIPS and 13.1.37.279 FIPS/NDcPP) and Gateway before 14.1-73.37 and 13.1-64.23; vendor patches are available and no public exploit identified at time of analysis.

Information Disclosure Citrix Gateway +1
NVD GitHub
EPSS 1% CVSS 9.1
CRITICAL Act Now

Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Gt21 Firmware Gs21 Firmware +1
NVD
EPSS 1% CVSS 4.9
MEDIUM PATCH This Month

SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.

Information Disclosure Ktor JetBrains
NVD GitHub
EPSS 1% CVSS 9.1
CRITICAL Act Now

The vulnerability in the MSC800 in all versions before 4.15 allows for an attacker to predict the TCP initial sequence number. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Msc800 Firmware Sick
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Multiple Mitsubishi Electric products are vulnerable to impersonations of a legitimate device by a malicious actor, which may allow an attacker to remotely execute arbitrary commands. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Qj71E71 100 Firmware Q03Udecpu Firmware +94
NVD
EPSS 2% CVSS 7.6
HIGH This Week

Eaton Cooper Power Systems ProView 4.0 and 5.0 before 5.0 11 on Form 6 controls and Idea and IdeaPLUS relays generates TCP initial sequence number (ISN) values linearly, which makes it easier for. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. No vendor patch available.

Information Disclosure Proview Eaton
NVD

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