THREATPORT/VULNERABILITY/CVE-2010-0211
CRITICAL SEVERITY

CVE-2010-0211

Openldap vulnerability

CVSS
9.8
EPSS
29.2%
EPSS pct
98th
Exploited
No known
The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a modrdn call with an RDN string containing invalid UTF-8 sequences, which triggers a free of an invalid, uninitialized pointer in the slap_mods_free function, as demonstrated using the Codenomicon LDAPv3 test suite.
Affected vendor
Openldap
Affected product
Openldap
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2010-07-28

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 high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 29.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2010-0211

  • Confirm whether Openldap Openldap is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2010-0211.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-0211

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-0211 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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