CVE-2020-35573

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 81.2%
KEV: Not listed

Published

December 20, 2020

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/roehling/postsrsd/commit/4733fb11f6bec6524bb8518c5e1a699288c26bac
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/12/msg00031.html
cve@mitrehttps://security.gentoo.org/glsa/202107-08
af854a3a-2127-422b-91ae-364da2661108https://github.com/roehling/postsrsd/commit/4733fb11f6bec6524bb8518c5e1a699288c26bac
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/12/msg00031.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-08

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 03:58 UTCEG score recompute
2026-05-23 03:58 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2020-35573?

CVE-2020-35573 is a high vulnerability published on December 20, 2020. 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.

When was CVE-2020-35573 disclosed?

CVE-2020-35573 was first published in the National Vulnerability Database on December 20, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-35573 actively exploited?

CVE-2020-35573 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2020-35573?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-35573, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2020-35573

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-35573?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)