Is CVE-2020-35573 in the CISA KEV catalog?

No. CVE-2020-35573 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-35573?

CVE-2020-35573 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-35573?

CVE-2020-35573 has an EPSS score of 2.66% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-35573?

Upgrade postsrsd on debian 11 to 1.10-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-35573

HIGHEPSS 84th pctl

7.5

CVSS v3

NVD

Description

srs2.c in PostSRSd before 1.10 allows remote attackers to cause a denial of service (CPU consumption) via a long timestamp tag in an SRS address.

CWE-834

How to fix

Remediation Available

postsrsdDebian

Fixed in:1.10-1CVE-2020-35573

postsrsdUbuntu

Fixed in:1.4-1ubuntu0.1USN-4730-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.66%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.