vciy

CVE-2022-24682

INDEX BUILT · 2026-09-20

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An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild…

CVE-2022-246823 of 4 sources documented this
67

rank 67 = 40 + 15 + 2 + 4 + 6

rank@v1 · this cycle

Someone is already using it

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

EPSS 0.30931 · CISA KEV listed  ·  without this subject the record ranks 27

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 6.1, from NVD  ·  without this subject the record ranks 52

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-10-13  ·  without this subject the record ranks 65

How much of the world it touches

NVD CPE configurations

2 products in the CPE ranges  ·  without this subject the record ranks 63

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 61

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$661,000over 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

$661,000 = $4.99M incident cost x 0.42806422275080447 exposure x 0.30931 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

0.30931EPSSKEV · LISTED
Severity6.1 MEDIUMreceipt
Harmpartial impact · ransomware-linkedreceipt
Exploitationransomware use knownreceipt
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2026-06-15, 81 days at 0.31, as of 2026-09-04. arc-rules@v1

Foresight · where to check next

HTTP ServerCVE-2022-42948Cisco Catalyst24682

This record is one instance of CWE-116, improper encoding or escaping of output. The index holds 543 prior instances of this class, 3 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Check a version against this record

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no privileges required · user interaction required · low attack complexityreceipt
ImpactPartial confidentiality and integrity loss, with impact beyond the vulnerable componentreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-116 Improper Encoding or Escaping of Outputreceipt
Published consequencesCWE-116: Integrity: Modify Application Data; Integrity, Confidentiality, Availability, Access Control: Execute Unauthorized Code or Commands; Confidentiality: Bypass Protection Mechanism[email protected]
Ransomware campaign useKnown (CISA)receipt

CISA KEV & Federal Remediation Deadline from the record and CISA

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

First unaffected version, by branchzimbra collaboration suite 8.8.15receipt
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.
CISA remediation statusoverdue since 2022-03-11receipt
CISA required actionApply updates per vendor instructions.receipt
Published to CISA KEV16 daysderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Ransomware campaign use known, 2022-02-25.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed2022-02-25receipt
  • RUNG 4Ransomware campaign use known2022-02-25receipt

Authority who says so

CVSS, NVD6.1 MEDIUMreceipt
Exploit probability0.30931 · top 2% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymitrereceipt
Recorded changes56 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesSynacor zimbra collaboration suitereceipt
Published rangessynacor zimbra collaboration suite >= 8.8.0 < 8.8.15; synacor zimbra collaboration suite 8.8.15receipt

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

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document. receipt

NVD's analysis a second authority

severity
6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
weakness
CWE-116
affected versions
synacor zimbra collaboration suite >= 8.8.0 < 8.8.15; synacor zimbra collaboration suite 8.8.15
also scored by
6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

check it yourself wiki.zimbra.com wiki.zimbra.com volexity.com blog.zimbra.com wiki.zimbra.com receipt

Dated events

2022-02-25Added to CISA KEV2022-03-11CISA remediation due2023-03-07EPSS moved 0.01 to 0.072025-03-17EPSS moved 0.02 to 0.782026-06-15EPSS moved 0.89 to 0.31

Movement the material steps

9 Feb 20220.0095
7 Mar 20230.06583 · scoring model v2023.03.01
17 Mar 20250.77845 · crossed 0.10 and 0.50 · scoring model v2025.03.14
23 Mar 20250.88192
24 Mar 20250.77845
29 Mar 20250.88192
30 Mar 20250.77845
17 Oct 20250.87877
15 Jun 20260.3106 · crossed 0.50 · scoring model v2026.06.15
4 Aug 20260.30931
Show all 45 observations
9 Feb 20220.0095
15 Feb 20220.01018
7 Mar 20230.06583
13 Mar 20230.05649
8 May 20230.05685
16 May 20230.04760
15 Jul 20230.02041
22 Jul 20230.01718
1 Sep 20230.01933
15 Sep 20240.02326
25 Oct 20240.02296
17 Dec 20240.01760
17 Mar 20250.77845
23 Mar 20250.88192
24 Mar 20250.77845
29 Mar 20250.88192
30 Mar 20250.77845
2 Apr 20250.77534
15 May 20250.77845
19 May 20250.77534
23 May 20250.77845
5 Jun 20250.77534
20 Jun 20250.77845
3 Jul 20250.77534
16 Jul 20250.77845
29 Jul 20250.77534
16 Aug 20250.77845
21 Aug 20250.741
28 Aug 20250.7373
20 Sep 20250.69258
13 Oct 20250.84026
17 Oct 20250.87877
19 Oct 20250.88551
24 Oct 20250.88621
3 Nov 20250.87378
5 Nov 20250.87687
18 Nov 20250.81275
21 Nov 20250.87687
25 Jan 20260.86588
8 Feb 20260.87968
10 Apr 20260.88386
11 Apr 20260.87968
13 May 20260.88633
15 Jun 20260.3106
4 Aug 20260.30931

45 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 0.30931Published2022-02-09CISA KEV2022-02-25Index as of2026-09-04

Listed by CISA 16 days after it published and the record had been public for 4 years, 6 months when this index was last written.

No material movement in 31 days as of the last ingest this index recorded.

Published 2022-02-09 receipt · CISA KEV 2022-02-25 receipt · Index as of 2026-09-04 derived

The pattern, elsewhere

This record is one instance of CWE-116, improper encoding or escaping of output. The index holds 543 prior instances of this class, 3 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2024-38475 · Apache HTTP Servermatches 4 of 8KEV listed · 2024receipt
CVE-2022-42948matches 3 of 8KEV listed · 2023receipt
CVE-2026-20245 · Cisco Catalyst SD-WAN Controllermatches 1 of 8KEV listed · 2026receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

543 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

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