THREATPORT/VULNERABILITY/CVE-2020-10878
HIGH SEVERITY

CVE-2020-10878

Perl vulnerability

CVSS
8.6
EPSS
4.9%
EPSS pct
91th
Exploited
No known
Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.
Affected vendor
Perl
Affected product
Perl
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness type (CWE)
  • CWE-190 — Integer Overflow or Wraparound
Published
2020-06-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, high impact to availability.

Its EPSS score of 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-10878

  • Confirm whether Perl Perl is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-10878.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-10878

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