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CVE-2020-8177

Public exploit available. Not confirmed exploited in the wild yet. Fixed in xcp2410.

CVSS 3.17.8HighEPSS percentile70th1.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFixxcp2410Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

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

  • N/a Https://github.com/curl/curlAffected: curl 7.20.0 to and including 7.70.0Upgrade to: not statedStated by: CVE record
  • Haxx CurlAffected: ≥ 7.20.0, ≤ 7.70.0Upgrade to: after 7.70.0Stated by: NVD
  • Fujitsu M10-1 FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD
  • Fujitsu M10-4 FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD
  • Fujitsu M10-4s FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD

Versions as the sources state them. 23 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.

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.

EPSS70th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

1.3% chance of exploitation activity in the next 30 days, which ranks it in the 70th percentile of scored CVEs.

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

Lifecycle

A public exploit existed 40 days before the patch.

  1. Patch availablerecord updated
  2. OpenVAS check added
  3. Patch availablerecord updated
  4. Public exploit / PoCsource: other
  5. Publishedweakness classified, att&ck mapped

Affected products

And 13 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 7.8 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

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

Sources

References in the record

And 26 more references. See all after sign-in

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