CVE-2002-1657

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

PostgreSQL uses the username for a salt when generating passwords, which makes it easier for remote attackers to guess passwords via a brute force attack.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 71.9%
KEV: Not listed

Published

December 31, 2002

Last Modified

April 16, 2026

Advisory Details (4)

Auto-updated May 31, 2026

No patch confirmed yet.

generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/20215

generic

'Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords' - MARC

http://marc.info/?l=bugtraq&m=111403050902165&w=2

generic

'Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords' - MARC

http://marc.info/?l=bugtraq&m=111402558115859&w=2

generic

PostgreSQL: Re: OT: password encryption (salt theory)

http://archives.postgresql.org/pgsql-admin/2002-08/msg00253.php

Weakness Classification(1)

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

CWE-916Use of Password Hash With Insufficient Computational Effort

Data Freshness Timeline

(refreshed 13× in last 7d / 20× 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 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 17:57 UTCEG score recompute
2026-05-31 17:57 UTCGHSA enrichment
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch

Frequently asked(5)

What is CVE-2002-1657?

CVE-2002-1657 is a high vulnerability published on December 31, 2002. PostgreSQL uses the username for a salt when generating passwords, which makes it easier for remote attackers to guess passwords via a brute force attack.

When was CVE-2002-1657 disclosed?

CVE-2002-1657 was first published in the National Vulnerability Database on December 31, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-1657 actively exploited?

CVE-2002-1657 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2002-1657?

CVE-2002-1657 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2002-1657?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-1657, 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.

Dependency Blast Radius

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CVE-2002-1657

📅 Published

🔄 Last Modified

📋 Advisory Details (4)

IBM X-Force Exchange

'Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords' - MARC

'Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords' - MARC

PostgreSQL: Re: OT: password encryption (salt theory)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2002-1657?

🔗 Related CVEs(same CWE)

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Published

Last Modified

Advisory Details (4)

Frequently asked(5)

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