vciy

CVE-2017-6168

INDEX BUILT · 2026-09-20

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On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual…

CVE-2017-61683 of 4 sources documented this
35

rank 35 = 5 + 19 + 1 + 10 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.19637  ·  without this subject the record ranks 30

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.4, from NVD  ·  without this subject the record ranks 16

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-11-04  ·  without this subject the record ranks 34

How much of the world it touches

NVD CPE configurations

20 products in the CPE ranges  ·  without this subject the record ranks 25

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 35

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$864,000over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$864,000 = $4.99M incident cost x 0.8814887365328109 exposure x 0.19637 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.19637EPSSNOT IN KEVas of 2026-09-20
Severity7.4 HIGHreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementrisenreceipt
PLATEAU10Minimal movement since 2026-06-15, 96 days at 0.20, as of 2026-09-19. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no privileges required · no user interaction · high attack complexityreceipt
ImpactComplete confidentiality and integrity lossreceipt
Scored fromCVSS v3.0 · NVD's vectorreceipt
Weakness classCWE-203 Observable Discrepancyreceipt
Published consequencesCWE-203: Confidentiality, Access Control: Read Application Data, Bypass Protection Mechanism; Confidentiality: Read Application Data[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 19 Sep 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD7.4 HIGHreceipt
Exploit probability0.19637 · top 3% of all CVEsreceipt
Blast breadth7 products across 1 vendorderived
Assigned byf5receipt
Recorded changes47 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesF5 big-ip ltm; F5 big-ip application acceleration manager; F5 big-ip afm; and 4 morereceipt
Published rangesf5 big-ip ltm >= 11.6.0 <= 11.6.2; f5 big-ip ltm >= 12.0.0 <= 12.1.2; f5 big-ip ltm 13.0.0; f5 big-ip application acceleration manager >= 11.6.0 <= 11.6.2receipt
Show all 20 published ranges
f5 big-ip ltm >= 11.6.0 <= 11.6.2
f5 big-ip ltm >= 12.0.0 <= 12.1.2
f5 big-ip ltm 13.0.0
f5 big-ip application acceleration manager >= 11.6.0 <= 11.6.2
f5 big-ip application acceleration manager >= 12.0.0 <= 12.1.2
f5 big-ip application acceleration manager 13.0.0
f5 big-ip afm >= 11.6.0 <= 11.6.2
f5 big-ip afm >= 12.0.0 <= 12.1.2
f5 big-ip afm 13.0.0
f5 big-ip analytics >= 11.6.0 <= 11.6.2
f5 big-ip analytics >= 12.0.0 <= 12.1.2
f5 big-ip analytics 13.0.0
f5 big-ip apm >= 11.6.0 <= 11.6.2
f5 big-ip apm >= 12.0.0 <= 12.1.2
f5 big-ip apm 13.0.0
f5 big-ip asm >= 11.6.0 <= 11.6.2
f5 big-ip asm >= 12.0.0 <= 12.1.2
f5 big-ip asm 13.0.0
f5 big-ip link controller >= 11.6.0 <= 11.6.2
f5 big-ip link controller >= 12.0.0 <= 12.1.2

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) against RSA, which when exploited, may result in plaintext recovery of encrypted messages and/or a Man-in-the-middle (MiTM) attack, despite the attacker not having gained access to the server's private key itself, aka a ROBOT attack. receipt

NVD's analysis a second authority

severity
7.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
weakness
CWE-203
affected versions
f5 big-ip ltm >= 11.6.0 <= 11.6.2; f5 big-ip ltm >= 12.0.0 <= 12.1.2; f5 big-ip ltm 13.0.0; and 17 more, listed in full below

check it yourself robotattack.org support.f5.com securityfocus.com kb.cert.org securitytracker.com receipt

Dated events

2022-02-04EPSS moved 0.09 to 0.012025-03-17EPSS moved 0.00 to 0.662026-06-15EPSS moved 0.76 to 0.22

Movement the material steps

14 Apr 20210.08536
7 Mar 20230.00627 · scoring model v2023.03.01
17 Mar 20250.66426 · crossed 0.10 and 0.50 · scoring model v2025.03.14
18 Nov 20250.80123
21 Nov 20250.6991
15 Jun 20260.21552 · crossed 0.50 · scoring model v2026.06.15
19 Sep 20260.19637
Show all 47 observations
14 Apr 20210.08536
4 Feb 20220.01018
7 Mar 20230.00627
10 Apr 20230.00394
8 May 20230.00260
17 Dec 20240.00164
17 Mar 20250.66426
29 Mar 20250.71062
30 Mar 20250.66426
1 May 20250.57627
4 May 20250.66426
20 May 20250.68951
1 Jun 20250.60621
3 Jun 20250.59612
4 Jun 20250.68107
1 Jul 20250.59612
4 Jul 20250.68107
1 Aug 20250.59612
4 Aug 20250.68107
1 Sep 20250.59612
4 Sep 20250.68107
1 Oct 20250.59612
4 Oct 20250.68107
1 Nov 20250.59612
4 Nov 20250.68107
12 Nov 20250.6991
18 Nov 20250.80123
21 Nov 20250.6991
1 Dec 20250.61776
4 Dec 20250.6991
1 Jan 20260.61776
4 Jan 20260.6991
1 Feb 20260.61776
4 Feb 20260.6991
1 Mar 20260.61776
4 Mar 20260.6991
17 Mar 20260.75894
1 May 20260.76231
14 May 20260.75894
28 May 20260.76181
15 Jun 20260.21552
12 Jul 20260.19553
23 Aug 20260.14998
30 Aug 20260.19553
5 Sep 20260.14998
6 Sep 20260.19553
19 Sep 20260.19637

47 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.19637Published2017-11-17Index as of2026-09-19

The record had been public for 8 years, 10 months when this index was last written.

Published 2017-11-17 receipt · Index as of 2026-09-19 derived

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