Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow
Published 2021-06-10 07:15:07
Updated 2021-12-01 21:32:22
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Threat overview for CVE-2020-35452

Top countries where our scanners detected CVE-2020-35452
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-35452 7,670,738
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-35452!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-35452

0.18%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-35452

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
7.3
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.9
3.4
NIST

CWE ids for CVE-2020-35452

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-35452

Products affected by CVE-2020-35452

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