DaystoPatch

AtlassianExploited incident

Jira Server and Data Center limited remote file read via path traversal (JRASERVER-72695)

CVE-2021-26086Medium, CVSS 5.3In CISA's Known Exploited Vulnerabilities catalog since 12 Nov 2024

  • Exploited after a fix existed
FixedFixed for every supported version on the day it became public.

Response

Silence
same day
First public report to first vendor statement
Exposure
same day
First public report to first fix
Follow-through
same day
First public report to a fix for every supported version
  • Vendor silent
  • Vendor statement, no fix
  • Fixed for some versions
  • Fixed when disclosed
  • Date only, no time of day

Timeline and evidence

Open a moment to see its source and archived quote.

  1. First public report

    date only

    Atlassian public security issue JRASERVER-72695CuratedQuote verified

    Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint.

    Issue shows 'Created: 12/Aug/2021 3:49 AM' (time zone not shown, so day precision). Coordinated disclosure; exploitation was reported only years later (KEV 2024-11-12).

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Curated. Found by a researcher, with a verbatim quote and link.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:84fab09de5ec2723…
    Used in metrics
    Yes
    Dispute this timestamp
    3 more sources for this moment
    CVE.org record CVE-2021-26086ClaimedQuote verified16 Aug 2021, 00:15 UTC

    Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions

    CVE record published.

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:e286afbeeb51050a…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    CISA KEV (CVE-2021-26086)ClaimedQuote verified12 Nov 2024

    Atlassian Jira Server and Data Center Path Traversal Vulnerability

    Added to CISA's KEV catalog on 2024-11-12.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:ef8fffede5c47200…
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    Bluesky postClaimedQuote not checked yet9 May 2025, 21:15 UTC

    CVE-2021-26086 Atlassian Jira Server and Data Center Path Traversal Vulnerability

    Earliest third-party post we hold.

    Source
    Bluesky post social
    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not checked yet
    Snapshot
    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  2. Vendor statement

    date onlysame day

    Atlassian public security issue JRASERVER-72695CuratedQuote verified

    Limited Remote File Read in Jira Software Server - CVE-2021-26086

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Curated. Found by a researcher, with a verbatim quote and link.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:84fab09de5ec2723…
    Used in metrics
    Yes
    Dispute this timestamp

  3. First workaround

    date onlysame day

    Atlassian public security issue JRASERVER-72695CuratedQuote verified

    Until the upgrade you may use the following workaround to protect the files:

    Points to the CVE-2019-15004 workaround KB; only its Workaround 2 (proxy/load balancer configuration) applies. Assumed present since publication; the issue's change history was not checked.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Curated. Found by a researcher, with a verbatim quote and link.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:84fab09de5ec2723…
    Used in metrics
    Yes
    Dispute this timestamp

  4. First fix

    date onlysame day

    Atlassian public security issue JRASERVER-72695CuratedQuote verified

    The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

    Upper bound: fixed builds may have shipped earlier. the fixed versions 8.5.14, 8.13.6 and 8.16.1 were existing releases when the issue was published; their release dates were not retrieved, so the publication date is used.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Curated. Found by a researcher, with a verbatim quote and link.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:84fab09de5ec2723…
    Used in metrics
    Yes
    Dispute this timestamp

  5. Fixed for all versions

    date onlysame day

    Atlassian public security issue JRASERVER-72695CuratedQuote verified

    The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

    Fixes for all three affected ranges were listed at publication (also 8.17.0). Upper bound, as for patch_first.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Curated. Found by a researcher, with a verbatim quote and link.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:84fab09de5ec2723…
    Used in metrics
    Yes
    Dispute this timestamp

This advisory changed after publication

  1. JRASERVER-72695

    Changed without a revision note

    Public Security Vulnerability

    Workaround text changed.

    • Workaround
    Workaround
    BeforeUntil the upgrade you may use the following workaround to protect the files: https://confluence.atlassian.com/jirakb/workaround-for-cve-2019-15004-979416164.html Attachments Issue Links relates to CONFSERVER-60469 Pre-Authorization Limited Arbitrary File Read in Confluence Server - CVE-2020-29448 Pu
    AfterUntil the upgrade you may use the following workaround to protect the files: https://confluence.atlassian.com/jirakb/workaround-for-cve-2019-15004-979416164.html Note: Workaround 1 in the above KB article is not valid for this purpose. Workaround 2 (proxy/load balancer configuration) is valid. Attac
    Earlier version captured 9 Dec 2021, 11:37 UTC: archived copyLater version captured 23 May 2022, 23:11 UTC: archived copyRecovered from archived copiesSnapshots c55070182a… and e0e7220c48…Incident page

  2. JRASERVER-72695

    Changed without a revision note

    Public Security Vulnerability

    Workaround text added.

    • Workaround
    Workaround
    Beforenot present
    AfterUntil the upgrade you may use the following workaround to protect the files: https://confluence.atlassian.com/jirakb/workaround-for-cve-2019-15004-979416164.html Attachments Issue Links relates to CONFSERVER-60469 Pre-Authorization Limited Arbitrary File Read in Confluence Server - CVE-2020-29448 Pu
    Earlier version captured 28 Oct 2021, 01:07 UTC: archived copyLater version captured 30 Nov 2021, 11:28 UTC: archived copyRecovered from archived copiesSnapshots a823ef55d9… and 9c416a943e…Incident page

Send this to your boss

No brief for this incident yet. We write one for every open incident and every critical bug exploited before a fix.

Affected products

  • Jira Software / Jira Server and Data Center before 8.5.14, 8.6.0 to before 8.13.6, 8.14.0 to before 8.16.1
How we built this timeline

Old bug added to KEV long after the fix (KEV 12 Nov 2024). The KEV entry points to this JAC issue.

Atlassian rates it CVSS 5.3 (Medium). The issue is marked 'Resolved: 16/Aug/2021 12:15 AM'.

Related

No related incidents.

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