CVE-2003-0512 json
Cisco IOS 12.2 and earlier generates a "% Login invalid" message instead of prompting for a password when an invalid username is provided,…
published 2003-07-29 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0506
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Cisco IOS 12.2 and earlier generates a "% Login invalid" message instead of prompting for a password when an invalid username is provided, which allows remote attackers to identify valid usernames on the system and conduct brute force password guessing, as reported for the Aironet Bridge.
Exploit prediction
3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-310 Cryptographic Issues
- Technology feeds
References
-
cisco.com
/warp/public/707/cisco-sn-20030724-ios-enum.shtml
vendor-advisory
-
archives.neohapsis.com
/archives/vulnwatch/2003-q3/0056.html
mailing-list, vendor-advisory
- vigilante.com /inetsecurity/advisories/VIGILANTE-2003002.htm
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5824
vdb-entry, signature
-
kb.cert.org
/vuls/id/886796
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2003-0512
- NVD CVE-2003-0512
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.