CVE Tools

CVE-2021-31010

Exploited in the wild. In CISA KEV since 2022‑08‑25. Fixed versions are out.

Published Updated Sources: CVE.org, NVD, BDU

What to do

Find your product and version, then upgrade to the build on the right.

  • Apple macOSAffected: ≥ unspecified, < 11.6Upgrade to: 11.6Stated by: CVE record
  • Apple watchOSAffected: ≥ unspecified, < 7.6Upgrade to: 7.6Stated by: CVE record
  • Apple IpadosAffected: < 14.8Upgrade to: 14.8Stated by: NVD
  • Apple Iphone OsAffected: ≥ 12.0, < 12.5.5Upgrade to: 12.5.5Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

Coverage timeline

0 publishers
  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS90th
CISA KEV
CISA KEV

Listed as exploited in the wild since 2022-08-25.

US federal agencies must remediate by 2022-09-15.

Apply updates per vendor instructions.
Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

3.7% chance of exploitation activity in the next 30 days, which ranks it in the 90th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Attention now

Rising.

Lifecycle

7 events over 1766 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Added to CISA KEV
  4. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for macOS, not every advisory. This one: actively exploited.